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145343976 = 23313146229
BaseRepresentation
bin10001010100111…
…00010111101000
3101010111020110020
420222130113220
5244202001401
622231120440
73413255241
oct1052342750
9333436406
10145343976
1175052098
1240813120
132415b86b
1415435cc8
15cb5ed36
hex8a9c5e8

145343976 has 32 divisors (see below), whose sum is σ = 366141600. Its totient is φ = 48077120.

The previous prime is 145343929. The next prime is 145343983. The reversal of 145343976 is 679343541.

It is a super-2 number, since 2×1453439762 = 42249742718977152, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 19971 + ... + 26258.

It is an arithmetic number, because the mean of its divisors is an integer number (11441925).

Almost surely, 2145343976 is an apocalyptic number.

It is an amenable number.

145343976 is an abundant number, since it is smaller than the sum of its proper divisors (220797624).

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

145343976 is a wasteful number, since it uses less digits than its factorization.

145343976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46369 (or 46365 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 145343976 is about 12055.8689442114. The cubic root of 145343976 is about 525.7738863418.

The spelling of 145343976 in words is "one hundred forty-five million, three hundred forty-three thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 24 131 262 393 524 786 1048 1572 3144 46229 92458 138687 184916 277374 369832 554748 1109496 6055999 12111998 18167997 24223996 36335994 48447992 72671988 145343976