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157314161 is a prime number
BaseRepresentation
bin10010110000001…
…10110001110001
3101222000101110102
421120012301301
5310233023121
623335442145
73620101604
oct1130066161
9358011412
10157314161
1180888504
1244826355
1326790104
1416c7033b
15dc2690b
hex9606c71

157314161 has 2 divisors, whose sum is σ = 157314162. Its totient is φ = 157314160.

The previous prime is 157314139. The next prime is 157314163. The reversal of 157314161 is 161413751.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140659600 + 16654561 = 11860^2 + 4081^2 .

It is an emirp because it is prime and its reverse (161413751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-157314161 is a prime.

It is a super-2 number, since 2×1573141612 = 49495490502267842, which contains 22 as substring.

Together with 157314163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157314163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78657080 + 78657081.

It is an arithmetic number, because the mean of its divisors is an integer number (78657081).

Almost surely, 2157314161 is an apocalyptic number.

It is an amenable number.

157314161 is a deficient number, since it is larger than the sum of its proper divisors (1).

157314161 is an equidigital number, since it uses as much as digits as its factorization.

157314161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 157314161 is about 12542.4942096857. The cubic root of 157314161 is about 539.8286619194.

The spelling of 157314161 in words is "one hundred fifty-seven million, three hundred fourteen thousand, one hundred sixty-one".