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157014445 = 5723195049
BaseRepresentation
bin10010101101111…
…01100110101101
3101221110011022211
421112331212231
5310143430240
623325210421
73614413030
oct1126754655
9357404284
10157014445
11806a3305
1244700a11
13266b6873
1416bd3017
15dbb7bea
hex95bd9ad

157014445 has 16 divisors (see below), whose sum is σ = 224697600. Its totient is φ = 102985344.

The previous prime is 157014437. The next prime is 157014449. The reversal of 157014445 is 544410751.

It is not a de Polignac number, because 157014445 - 23 = 157014437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157014449) 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 15 ways as a sum of consecutive naturals, for example, 96720 + ... + 98329.

It is an arithmetic number, because the mean of its divisors is an integer number (14043600).

Almost surely, 2157014445 is an apocalyptic number.

It is an amenable number.

157014445 is a deficient number, since it is larger than the sum of its proper divisors (67683155).

157014445 is a wasteful number, since it uses less digits than its factorization.

157014445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195084.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 157014445 is about 12530.5404911360. The cubic root of 157014445 is about 539.4856155671.

The spelling of 157014445 in words is "one hundred fifty-seven million, fourteen thousand, four hundred forty-five".

Divisors: 1 5 7 23 35 115 161 805 195049 975245 1365343 4486127 6826715 22430635 31402889 157014445