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145465537 = 72937107181
BaseRepresentation
bin10001010101110…
…10000011000001
3101010201102012111
420222322003001
5244214344122
622233455321
73414302530
oct1052720301
9333642174
10145465537
1175125458
1240871541
13241a1ca9
1415468317
15cb85d77
hex8aba0c1

145465537 has 32 divisors (see below), whose sum is σ = 179262720. Its totient is φ = 115395840.

The previous prime is 145465519. The next prime is 145465543. The reversal of 145465537 is 735564541.

It is not a de Polignac number, because 145465537 - 211 = 145463489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145465537.

It is not an unprimeable number, because it can be changed into a prime (145465597) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 803587 + ... + 803767.

It is an arithmetic number, because the mean of its divisors is an integer number (5601960).

Almost surely, 2145465537 is an apocalyptic number.

It is an amenable number.

145465537 is a deficient number, since it is larger than the sum of its proper divisors (33797183).

145465537 is a wasteful number, since it uses less digits than its factorization.

145465537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 252000, while the sum is 40.

The square root of 145465537 is about 12060.9094599039. The cubic root of 145465537 is about 525.9204255862.

The spelling of 145465537 in words is "one hundred forty-five million, four hundred sixty-five thousand, five hundred thirty-seven".

Divisors: 1 7 29 37 107 181 203 259 749 1073 1267 3103 3959 5249 6697 7511 19367 21721 27713 36743 46879 114811 135569 194213 561643 716579 803677 1359491 3931501 5016053 20780791 145465537