151156531 has 2 divisors, whose sum is σ = 151156532. Its totient is φ = 151156530.

The previous prime is 151156519. The next prime is 151156547. The reversal of 151156531 is 135651151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151156531 - 2¹¹ = 151154483 is a prime.

It is a super-2 number, since 2×151156531² = 45696593727907922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151156531.

It is not a weakly prime, because it can be changed into another prime (151156561) 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, 75578265 + 75578266.

It is an arithmetic number, because the mean of its divisors is an integer number (75578266).

Almost surely, 2^151156531 is an apocalyptic number.

151156531 is a deficient number, since it is larger than the sum of its proper divisors (1).

151156531 is an equidigital number, since it uses as much as digits as its factorization.

151156531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2250, while the sum is 28.

The square root of 151156531 is about 12294.5732337483. The cubic root of 151156531 is about 532.6913428467.

The spelling of 151156531 in words is "one hundred fifty-one million, one hundred fifty-six thousand, five hundred thirty-one".