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145261432 = 23101179779
BaseRepresentation
bin10001010100010…
…00001101111000
3101010100001020001
420222020031320
5244141331212
622225242344
73412462501
oct1052101570
9333301201
10145261432
1174aa6078
12407933b4
1324130114
1415413ba8
15cb45657
hex8a88378

145261432 has 16 divisors (see below), whose sum is σ = 275063400. Its totient is φ = 71911200.

The previous prime is 145261423. The next prime is 145261463. The reversal of 145261432 is 234162541.

It is a super-2 number, since 2×1452614322 = 42201767253381248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145261432.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 89082 + ... + 90697.

Almost surely, 2145261432 is an apocalyptic number.

It is an amenable number.

145261432 is a deficient number, since it is larger than the sum of its proper divisors (129801968).

145261432 is a wasteful number, since it uses less digits than its factorization.

145261432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179886 (or 179882 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 145261432 is about 12052.4450631397. The cubic root of 145261432 is about 525.6743346913.

The spelling of 145261432 in words is "one hundred forty-five million, two hundred sixty-one thousand, four hundred thirty-two".

Divisors: 1 2 4 8 101 202 404 808 179779 359558 719116 1438232 18157679 36315358 72630716 145261432