1557202152 has 64 divisors (see below), whose sum is σ = 4470451200. Its totient is φ = 447042240.

The previous prime is 1557202139. The next prime is 1557202211. The reversal of 1557202152 is 2512027551.

It is a super-2 number, since 2×1557202152² = 4849757084386862208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150208 + ... + 160239.

It is an arithmetic number, because the mean of its divisors is an integer number (69850800).

Almost surely, 2^1557202152 is an apocalyptic number.

1557202152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1557202152 is an abundant number, since it is smaller than the sum of its proper divisors (2913249048).

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

1557202152 is a wasteful number, since it uses less digits than its factorization.

1557202152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310486 (or 310482 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 1557202152 is about 39461.4007860846. The cubic root of 1557202152 is about 1159.0842336362.

The spelling of 1557202152 in words is "one billion, five hundred fifty-seven million, two hundred two thousand, one hundred fifty-two".