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145653053 = 71337181239
BaseRepresentation
bin10001010111001…
…11110100111101
3101011001221102112
420223213310331
5244241344203
622241503405
73416013320
oct1053476475
9334057375
10145653053
1175243327
1240941b65
1324239450
14154b67b7
15cbc16d8
hex8ae7d3d

145653053 has 32 divisors (see below), whose sum is σ = 185902080. Its totient is φ = 111041280.

The previous prime is 145653049. The next prime is 145653073. The reversal of 145653053 is 350356541.

It is not a de Polignac number, because 145653053 - 22 = 145653049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145653023) 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 31 ways as a sum of consecutive naturals, for example, 609308 + ... + 609546.

It is an arithmetic number, because the mean of its divisors is an integer number (5809440).

Almost surely, 2145653053 is an apocalyptic number.

145653053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145653053 is a deficient number, since it is larger than the sum of its proper divisors (40249027).

145653053 is a wasteful number, since it uses less digits than its factorization.

145653053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 145653053 is about 12068.6806652591. The cubic root of 145653053 is about 526.1463121921.

The spelling of 145653053 in words is "one hundred forty-five million, six hundred fifty-three thousand, fifty-three".

Divisors: 1 7 13 37 91 181 239 259 481 1267 1673 2353 3107 3367 6697 8843 16471 21749 43259 46879 61901 87061 114959 302813 562367 609427 804713 1600583 3936569 11204081 20807579 145653053