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145270158 = 23116136083
BaseRepresentation
bin10001010100010…
…10010110001110
3101010100111012020
420222022112032
5244142121113
622225351010
73412530105
oct1052122616
9333314166
10145270158
1175001690
1240798466
1324134097
141541703c
15cb48023
hex8a8a58e

145270158 has 32 divisors (see below), whose sum is σ = 322157952. Its totient is φ = 43298400.

The previous prime is 145270133. The next prime is 145270159. The reversal of 145270158 is 851072541.

It is a super-2 number, since 2×1452701582 = 42206837610689928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145270159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14016 + ... + 22067.

It is an arithmetic number, because the mean of its divisors is an integer number (10067436).

Almost surely, 2145270158 is an apocalyptic number.

145270158 is an abundant number, since it is smaller than the sum of its proper divisors (176887794).

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

145270158 is a wasteful number, since it uses less digits than its factorization.

145270158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36160.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 145270158 is about 12052.8070589386. The cubic root of 145270158 is about 525.6848604089.

The spelling of 145270158 in words is "one hundred forty-five million, two hundred seventy thousand, one hundred fifty-eight".

Divisors: 1 2 3 6 11 22 33 61 66 122 183 366 671 1342 2013 4026 36083 72166 108249 216498 396913 793826 1190739 2201063 2381478 4402126 6603189 13206378 24211693 48423386 72635079 145270158