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145026474 = 23167144737
BaseRepresentation
bin10001010010011…
…10110110101010
3101002220002220220
420221032312222
5244111321344
622220230510
73410463465
oct1051166652
9332802826
10145026474
117495559a
124069b436
132407a1a8
14153922dc
15caeac19
hex8a4edaa

145026474 has 16 divisors (see below), whose sum is σ = 291791808. Its totient is φ = 48052352.

The previous prime is 145026457. The next prime is 145026499. The reversal of 145026474 is 474620541.

145026474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71367 + ... + 73370.

It is an arithmetic number, because the mean of its divisors is an integer number (18236988).

Almost surely, 2145026474 is an apocalyptic number.

145026474 is an abundant number, since it is smaller than the sum of its proper divisors (146765334).

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

145026474 is a wasteful number, since it uses less digits than its factorization.

145026474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144909.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 145026474 is about 12042.6938016376. The cubic root of 145026474 is about 525.3907585186.

The spelling of 145026474 in words is "one hundred forty-five million, twenty-six thousand, four hundred seventy-four".

Divisors: 1 2 3 6 167 334 501 1002 144737 289474 434211 868422 24171079 48342158 72513237 145026474