151581265 has 16 divisors (see below), whose sum is σ = 210107520. Its totient is φ = 103755520.

The previous prime is 151581263. The next prime is 151581271. The reversal of 151581265 is 562185151.

It is not a de Polignac number, because 151581265 - 2¹ = 151581263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 151581265.

It is not an unprimeable number, because it can be changed into a prime (151581263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80125 + ... + 81994.

It is an arithmetic number, because the mean of its divisors is an integer number (13131720).

Almost surely, 2^151581265 is an apocalyptic number.

It is an amenable number.

151581265 is a deficient number, since it is larger than the sum of its proper divisors (58526255).

151581265 is a wasteful number, since it uses less digits than its factorization.

151581265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162152.

The product of its digits is 12000, while the sum is 34.

The square root of 151581265 is about 12311.8343474886. The cubic root of 151581265 is about 533.1898118589.

The spelling of 151581265 in words is "one hundred fifty-one million, five hundred eighty-one thousand, two hundred sixty-five".