1457144516 has 12 divisors (see below), whose sum is σ = 2552148732. Its totient is φ = 727959168.

The previous prime is 1457144501. The next prime is 1457144567. The reversal of 1457144516 is 6154417541.

It can be written as a sum of positive squares in 2 ways, for example, as 873438916 + 583705600 = 29554^2 + 24160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1457144516.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147905 + ... + 157448.

It is an arithmetic number, because the mean of its divisors is an integer number (212679061).

Almost surely, 2^1457144516 is an apocalyptic number.

It is an amenable number.

1457144516 is a deficient number, since it is larger than the sum of its proper divisors (1095004216).

1457144516 is a wasteful number, since it uses less digits than its factorization.

1457144516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306550 (or 306548 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 1457144516 is about 38172.5623452238. The cubic root of 1457144516 is about 1133.7071232641.

The spelling of 1457144516 in words is "one billion, four hundred fifty-seven million, one hundred forty-four thousand, five hundred sixteen".