151311857 has 2 divisors, whose sum is σ = 151311858. Its totient is φ = 151311856.

The previous prime is 151311851. The next prime is 151311887. The reversal of 151311857 is 758113151.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146918641 + 4393216 = 12121^2 + 2096^2 .

It is a cyclic number.

It is not a de Polignac number, because 151311857 - 2⁶ = 151311793 is a prime.

It is not a weakly prime, because it can be changed into another prime (151311851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75655928 + 75655929.

It is an arithmetic number, because the mean of its divisors is an integer number (75655929).

Almost surely, 2^151311857 is an apocalyptic number.

It is an amenable number.

151311857 is a deficient number, since it is larger than the sum of its proper divisors (1).

151311857 is an equidigital number, since it uses as much as digits as its factorization.

151311857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 32.

The square root of 151311857 is about 12300.8884638468. Note that the first 3 decimals coincide. The cubic root of 151311857 is about 532.8737420459.

The spelling of 151311857 in words is "one hundred fifty-one million, three hundred eleven thousand, eight hundred fifty-seven".