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145592074 = 289817933
BaseRepresentation
bin10001010110110…
…00111100001010
3101010221211210001
420223120330022
5244232421244
622240313214
73415340455
oct1053307412
9333854701
10145592074
1175201531
124091280a
1324217774
141549c49c
15cbad5d4
hex8ad8f0a

145592074 has 8 divisors (see below), whose sum is σ = 220842180. Its totient is φ = 71978016.

The previous prime is 145592033. The next prime is 145592081. The reversal of 145592074 is 470295541.

It can be written as a sum of positive squares in 2 ways, for example, as 105206049 + 40386025 = 10257^2 + 6355^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408789 + ... + 409144.

Almost surely, 2145592074 is an apocalyptic number.

145592074 is a deficient number, since it is larger than the sum of its proper divisors (75250106).

145592074 is an equidigital number, since it uses as much as digits as its factorization.

145592074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818024.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 145592074 is about 12066.1540683020. The cubic root of 145592074 is about 526.0728766004.

The spelling of 145592074 in words is "one hundred forty-five million, five hundred ninety-two thousand, seventy-four".

Divisors: 1 2 89 178 817933 1635866 72796037 145592074