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145263234 = 23199121661
BaseRepresentation
bin10001010100010…
…00101010000010
3101010100010200210
420222020222002
5244141410414
622225254550
73412500654
oct1052105202
9333303623
10145263234
1174aa7466
1240794456
1324130b9c
14154146d4
15cb45e59
hex8a88a82

145263234 has 16 divisors (see below), whose sum is σ = 291988800. Its totient is φ = 48177360.

The previous prime is 145263199. The next prime is 145263271. The reversal of 145263234 is 432362541.

It is a super-2 number, since 2×1452632342 = 42202814304277512, which contains 22 as substring.

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, 59637 + ... + 62024.

It is an arithmetic number, because the mean of its divisors is an integer number (18249300).

Almost surely, 2145263234 is an apocalyptic number.

145263234 is an abundant number, since it is smaller than the sum of its proper divisors (146725566).

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

145263234 is a wasteful number, since it uses less digits than its factorization.

145263234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121865.

The product of its digits is 17280, while the sum is 30.

The square root of 145263234 is about 12052.5198195232. The cubic root of 145263234 is about 525.6765083842.

The spelling of 145263234 in words is "one hundred forty-five million, two hundred sixty-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 199 398 597 1194 121661 243322 364983 729966 24210539 48421078 72631617 145263234