1507257145 has 16 divisors (see below), whose sum is σ = 1919289600. Its totient is φ = 1132395264.

The previous prime is 1507257131. The next prime is 1507257163. The reversal of 1507257145 is 5417527051.

It is a cyclic number.

It is not a de Polignac number, because 1507257145 - 2¹¹ = 1507255097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20206 + ... + 58504.

It is an arithmetic number, because the mean of its divisors is an integer number (119955600).

Almost surely, 2^1507257145 is an apocalyptic number.

It is an amenable number.

1507257145 is a deficient number, since it is larger than the sum of its proper divisors (412032455).

1507257145 is a wasteful number, since it uses less digits than its factorization.

1507257145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38784.

The product of its (nonzero) digits is 49000, while the sum is 37.

The square root of 1507257145 is about 38823.4097549404. The cubic root of 1507257145 is about 1146.5573527466.

The spelling of 1507257145 in words is "one billion, five hundred seven million, two hundred fifty-seven thousand, one hundred forty-five".