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153102145 = 5723434423
BaseRepresentation
bin10010010000000…
…10011101000001
3101200002101122211
421020002131001
5303143232040
623105302121
73536226640
oct1110023501
9350071584
10153102145
11794709a9
1243334941
1325946bb1
1416495357
15d6938ea
hex9202741

153102145 has 32 divisors (see below), whose sum is σ = 224243712. Its totient is φ = 98062272.

The previous prime is 153102143. The next prime is 153102167. The reversal of 153102145 is 541201351.

It is a happy number.

It is not a de Polignac number, because 153102145 - 21 = 153102143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153102143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32404 + ... + 36826.

It is an arithmetic number, because the mean of its divisors is an integer number (7007616).

Almost surely, 2153102145 is an apocalyptic number.

It is an amenable number.

153102145 is a deficient number, since it is larger than the sum of its proper divisors (71141567).

153102145 is a wasteful number, since it uses less digits than its factorization.

153102145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 153102145 is about 12373.4451548467. The cubic root of 153102145 is about 534.9671217458.

Adding to 153102145 its reverse (541201351), we get a palindrome (694303496).

The spelling of 153102145 in words is "one hundred fifty-three million, one hundred two thousand, one hundred forty-five".

Divisors: 1 5 7 23 35 43 115 161 215 301 805 989 1505 4423 4945 6923 22115 30961 34615 101729 154805 190189 508645 712103 950945 1331323 3560515 4374347 6656615 21871735 30620429 153102145