1457161472 has 36 divisors (see below), whose sum is σ = 3132378900. Its totient is φ = 672534528.

The previous prime is 1457161469. The next prime is 1457161487. The reversal of 1457161472 is 2741617541.

It can be written as a sum of positive squares in 2 ways, for example, as 418775296 + 1038386176 = 20464^2 + 32224^2 .

It is a congruent number.

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, 215597 + ... + 222252.

It is an arithmetic number, because the mean of its divisors is an integer number (87010525).

Almost surely, 2^1457161472 is an apocalyptic number.

It is an amenable number.

1457161472 is an abundant number, since it is smaller than the sum of its proper divisors (1675217428).

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

1457161472 is an equidigital number, since it uses as much as digits as its factorization.

1457161472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437878 (or 437864 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 1457161472 is about 38172.7844412744. The cubic root of 1457161472 is about 1133.7115206919.

It can be divided in two parts, 145 and 7161472, that added together give a palindrome (7161617).

The spelling of 1457161472 in words is "one billion, four hundred fifty-seven million, one hundred sixty-one thousand, four hundred seventy-two".