1557152 has 12 divisors (see below), whose sum is σ = 3065706. Its totient is φ = 778560.

The previous prime is 1557151. The next prime is 1557211. The reversal of 1557152 is 2517551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1430416 + 126736 = 1196^2 + 356^2 .

It is a super-2 number, since 2×1557152² = 4849444702208, which contains 22 as substring.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (1557151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24299 + ... + 24362.

2^1557152 is an apocalyptic number.

It is an amenable number.

1557152 is a deficient number, since it is larger than the sum of its proper divisors (1508554).

1557152 is an equidigital number, since it uses as much as digits as its factorization.

1557152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48671 (or 48663 counting only the distinct ones).

The product of its digits is 1750, while the sum is 26.

The square root of 1557152 is about 1247.8589663900. The cubic root of 1557152 is about 115.9071790161.

The spelling of 1557152 in words is "one million, five hundred fifty-seven thousand, one hundred fifty-two".