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145103874 = 23171974873
BaseRepresentation
bin10001010011000…
…01110000000010
3101010001001002120
420221201300002
5244121310444
622222025110
73411235236
oct1051416002
9333031076
10145103874
11749a8763
1240718196
13240a64a6
14153b25c6
15cb13b19
hex8a61c02

145103874 has 32 divisors (see below), whose sum is σ = 323455680. Its totient is φ = 43126272.

The previous prime is 145103821. The next prime is 145103911. The reversal of 145103874 is 478301541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35499 + ... + 39374.

It is an arithmetic number, because the mean of its divisors is an integer number (10107990).

Almost surely, 2145103874 is an apocalyptic number.

145103874 is an abundant number, since it is smaller than the sum of its proper divisors (178351806).

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

145103874 is a wasteful number, since it uses less digits than its factorization.

145103874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74914.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 145103874 is about 12045.9069397036. The cubic root of 145103874 is about 525.4842081522.

The spelling of 145103874 in words is "one hundred forty-five million, one hundred three thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 17 19 34 38 51 57 102 114 323 646 969 1938 74873 149746 224619 449238 1272841 1422587 2545682 2845174 3818523 4267761 7637046 8535522 24183979 48367958 72551937 145103874