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145055030 = 2514505503
BaseRepresentation
bin10001010010101…
…01110100110110
3101002221120002112
420221111310312
5244113230110
622221011022
73410642651
oct1051256466
9332846075
10145055030
1174974a9a
12406b3a72
132408a1a3
141539c898
15cb04405
hex8a55d36

145055030 has 8 divisors (see below), whose sum is σ = 261099072. Its totient is φ = 58022008.

The previous prime is 145055021. The next prime is 145055041. The reversal of 145055030 is 30550541.

145055030 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145054987 and 145055005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7252742 + ... + 7252761.

It is an arithmetic number, because the mean of its divisors is an integer number (32637384).

Almost surely, 2145055030 is an apocalyptic number.

145055030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145055030 is a deficient number, since it is larger than the sum of its proper divisors (116044042).

145055030 is a wasteful number, since it uses less digits than its factorization.

145055030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14505510.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 145055030 is about 12043.8793584127. The cubic root of 145055030 is about 525.4252397493.

The spelling of 145055030 in words is "one hundred forty-five million, fifty-five thousand, thirty".

Divisors: 1 2 5 10 14505503 29011006 72527515 145055030