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145348674 = 23171519437
BaseRepresentation
bin10001010100111…
…01100001000010
3101010111110220020
420222131201002
5244202124144
622231154310
73413305032
oct1052354102
9333443806
10145348674
1175055679
1240815996
1324160a43
14154378c2
15cb61419
hex8a9d842

145348674 has 32 divisors (see below), whose sum is σ = 309868416. Its totient is φ = 45292800.

The previous prime is 145348633. The next prime is 145348699. The reversal of 145348674 is 476843541.

It is a super-2 number, since 2×1453486742 = 42252474067116552, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10684 + ... + 20120.

It is an arithmetic number, because the mean of its divisors is an integer number (9683388).

Almost surely, 2145348674 is an apocalyptic number.

145348674 is an abundant number, since it is smaller than the sum of its proper divisors (164519742).

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

145348674 is a wasteful number, since it uses less digits than its factorization.

145348674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9610.

The product of its digits is 322560, while the sum is 42.

The square root of 145348674 is about 12056.0637854982. The cubic root of 145348674 is about 525.7795512002.

The spelling of 145348674 in words is "one hundred forty-five million, three hundred forty-eight thousand, six hundred seventy-four".

Divisors: 1 2 3 6 17 34 51 102 151 302 453 906 2567 5134 7701 9437 15402 18874 28311 56622 160429 320858 481287 962574 1424987 2849974 4274961 8549922 24224779 48449558 72674337 145348674