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145748964 = 22338931223
BaseRepresentation
bin10001010111111…
…11001111100100
3101011020210222210
420223333033210
5244302431324
622243523420
73416563044
oct1053771744
9334223883
10145748964
11752a9399
1240989570
1324270cba
14154dd724
15cbded29
hex8aff3e4

145748964 has 24 divisors (see below), whose sum is σ = 340966080. Its totient is φ = 48456544.

The previous prime is 145748963. The next prime is 145748971. The reversal of 145748964 is 469847541.

145748964 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145748963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10944 + ... + 20279.

It is an arithmetic number, because the mean of its divisors is an integer number (14206920).

Almost surely, 2145748964 is an apocalyptic number.

It is an amenable number.

145748964 is an abundant number, since it is smaller than the sum of its proper divisors (195217116).

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

145748964 is a wasteful number, since it uses less digits than its factorization.

145748964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31619 (or 31617 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 145748964 is about 12072.6535608374. The cubic root of 145748964 is about 526.2617741191.

The spelling of 145748964 in words is "one hundred forty-five million, seven hundred forty-eight thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 389 778 1167 1556 2334 4668 31223 62446 93669 124892 187338 374676 12145747 24291494 36437241 48582988 72874482 145748964