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157126433 is a prime number
BaseRepresentation
bin10010101110110…
…00111100100001
3101221122211221112
421113120330201
5310211021213
623331433105
73615360362
oct1127307441
9357584845
10157126433
118076a462
1244755795
1326725829
1416c21b69
15dbdaea8
hex95d8f21

157126433 has 2 divisors, whose sum is σ = 157126434. Its totient is φ = 157126432.

The previous prime is 157126373. The next prime is 157126477. The reversal of 157126433 is 334621751.

157126433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156925729 + 200704 = 12527^2 + 448^2 .

It is an emirp because it is prime and its reverse (334621751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157126433 - 212 = 157122337 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p8822372 and since 157126433 and 8822372 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157126433.

It is not a weakly prime, because it can be changed into another prime (157126483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78563216 + 78563217.

It is an arithmetic number, because the mean of its divisors is an integer number (78563217).

Almost surely, 2157126433 is an apocalyptic number.

It is an amenable number.

157126433 is a deficient number, since it is larger than the sum of its proper divisors (1).

157126433 is an equidigital number, since it uses as much as digits as its factorization.

157126433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 157126433 is about 12535.0082967663. The cubic root of 157126433 is about 539.6138448674.

The spelling of 157126433 in words is "one hundred fifty-seven million, one hundred twenty-six thousand, four hundred thirty-three".