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145592372 = 2244218233
BaseRepresentation
bin10001010110110…
…01000000110100
3101010221212012002
420223121000310
5244232423442
622240314432
73415341362
oct1053310064
9333855162
10145592372
1175201782
1240912a18
1324217943
141549c632
15cbad732
hex8ad9034

145592372 has 12 divisors (see below), whose sum is σ = 254875236. Its totient is φ = 72770880.

The previous prime is 145592371. The next prime is 145592401. The reversal of 145592372 is 273295541.

145592372 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 75099556 + 70492816 = 8666^2 + 8396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145592371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13568 + ... + 21800.

It is an arithmetic number, because the mean of its divisors is an integer number (21239603).

Almost surely, 2145592372 is an apocalyptic number.

It is an amenable number.

145592372 is a deficient number, since it is larger than the sum of its proper divisors (109282864).

145592372 is a wasteful number, since it uses less digits than its factorization.

145592372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12658 (or 12656 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 145592372 is about 12066.1664168865. The cubic root of 145592372 is about 526.0732355247.

The spelling of 145592372 in words is "one hundred forty-five million, five hundred ninety-two thousand, three hundred seventy-two".

Divisors: 1 2 4 4421 8233 8842 16466 17684 32932 36398093 72796186 145592372