1557114546 has 16 divisors (see below), whose sum is σ = 3353785344. Its totient is φ = 479112144.

The previous prime is 1557114527. The next prime is 1557114553. The reversal of 1557114546 is 6454117551.

It is a super-2 number, since 2×1557114546² = 4849211418729572232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9981426 + ... + 9981581.

It is an arithmetic number, because the mean of its divisors is an integer number (209611584).

Almost surely, 2^1557114546 is an apocalyptic number.

1557114546 is an abundant number, since it is smaller than the sum of its proper divisors (1796670798).

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

1557114546 is a wasteful number, since it uses less digits than its factorization.

1557114546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19963025.

The product of its digits is 84000, while the sum is 39.

The square root of 1557114546 is about 39460.2907490556. The cubic root of 1557114546 is about 1159.0624970797.

The spelling of 1557114546 in words is "one billion, five hundred fifty-seven million, one hundred fourteen thousand, five hundred forty-six".