1457049844 has 6 divisors (see below), whose sum is σ = 2549837234. Its totient is φ = 728524920.

The previous prime is 1457049809. The next prime is 1457049857. The reversal of 1457049844 is 4489407541.

It can be written as a sum of positive squares in only one way, i.e., 1367520400 + 89529444 = 36980^2 + 9462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1457049794 and 1457049803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182131227 + ... + 182131234.

Almost surely, 2^1457049844 is an apocalyptic number.

It is an amenable number.

1457049844 is a deficient number, since it is larger than the sum of its proper divisors (1092787390).

1457049844 is a wasteful number, since it uses less digits than its factorization.

1457049844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364262465 (or 364262463 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 1457049844 is about 38171.3222720932. The cubic root of 1457049844 is about 1133.6825700725.

The spelling of 1457049844 in words is "one billion, four hundred fifty-seven million, forty-nine thousand, eight hundred forty-four".