1457157165 has 16 divisors (see below), whose sum is σ = 2332233600. Its totient is φ = 776889792.

The previous prime is 1457157127. The next prime is 1457157181. The reversal of 1457157165 is 5617517541.

It is not a de Polignac number, because 1457157165 - 2¹² = 1457153069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35151 + ... + 64419.

It is an arithmetic number, because the mean of its divisors is an integer number (145764600).

Almost surely, 2^1457157165 is an apocalyptic number.

1457157165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1457157165 is a deficient number, since it is larger than the sum of its proper divisors (875076435).

1457157165 is a wasteful number, since it uses less digits than its factorization.

1457157165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32596.

The product of its digits is 147000, while the sum is 42.

The square root of 1457157165 is about 38172.7280266947. The cubic root of 1457157165 is about 1133.7104037028.

The spelling of 1457157165 in words is "one billion, four hundred fifty-seven million, one hundred fifty-seven thousand, one hundred sixty-five".