1457072144 has 40 divisors (see below), whose sum is σ = 3081981312. Its totient is φ = 661819520.

The previous prime is 1457072117. The next prime is 1457072167. The reversal of 1457072144 is 4412707541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361082 + ... + 365094.

Almost surely, 2^1457072144 is an apocalyptic number.

It is an amenable number.

1457072144 is an abundant number, since it is smaller than the sum of its proper divisors (1624909168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1457072144 is a wasteful number, since it uses less digits than its factorization.

1457072144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095 (or 6089 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 1457072144 is about 38171.6143750824. The cubic root of 1457072144 is about 1133.6883536752.

Adding to 1457072144 its reverse (4412707541), we get a palindrome (5869779685).

The spelling of 1457072144 in words is "one billion, four hundred fifty-seven million, seventy-two thousand, one hundred forty-four".