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145375902 = 23271153777
BaseRepresentation
bin10001010101001…
…00001010011110
3101010112212020200
420222210022132
5244204012102
622231524330
73413450310
oct1052441236
9333485220
10145375902
1175074081
12408296a6
1324170259
14154437b0
15cb6951c
hex8aa429e

145375902 has 24 divisors (see below), whose sum is σ = 359978736. Its totient is φ = 41535936.

The previous prime is 145375861. The next prime is 145375903. The reversal of 145375902 is 209573541.

145375902 is a `hidden beast` number, since 14 + 53 + 7 + 590 + 2 = 666.

It is a super-2 number, since 2×1453759022 = 42268305764627208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145375903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576763 + ... + 577014.

It is an arithmetic number, because the mean of its divisors is an integer number (14999114).

Almost surely, 2145375902 is an apocalyptic number.

145375902 is an abundant number, since it is smaller than the sum of its proper divisors (214602834).

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

145375902 is a wasteful number, since it uses less digits than its factorization.

145375902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153792 (or 1153789 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 145375902 is about 12057.1929569034. The cubic root of 145375902 is about 525.8123803766.

The spelling of 145375902 in words is "one hundred forty-five million, three hundred seventy-five thousand, nine hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1153777 2307554 3461331 6922662 8076439 10383993 16152878 20767986 24229317 48458634 72687951 145375902