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145054134 = 23237433503
BaseRepresentation
bin10001010010101…
…01100110110110
3101002221111212100
420221111212312
5244113213014
622221002530
73410640231
oct1051254666
9332844770
10145054134
1174974355
12406b3446
1324089964
141539c418
15cb04009
hex8a559b6

145054134 has 48 divisors (see below), whose sum is σ = 324166752. Its totient is φ = 46842624.

The previous prime is 145054127. The next prime is 145054153. The reversal of 145054134 is 431450541.

It is a happy number.

145054134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145054098 and 145054107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 288127 + ... + 288629.

It is an arithmetic number, because the mean of its divisors is an integer number (6753474).

Almost surely, 2145054134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145054134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162083376).

145054134 is an abundant number, since it is smaller than the sum of its proper divisors (179112618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145054134 is a wasteful number, since it uses less digits than its factorization.

145054134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 145054134 is about 12043.8421610381. The cubic root of 145054134 is about 525.4241579024.

The spelling of 145054134 in words is "one hundred forty-five million, fifty-four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 433 503 666 866 1006 1299 1509 2598 3018 3897 4527 7794 9054 16021 18611 32042 37222 48063 55833 96126 111666 144189 167499 217799 288378 334998 435598 653397 1306794 1960191 3920382 8058563 16117126 24175689 48351378 72527067 145054134