542641156 has 48 divisors (see below), whose sum is σ = 1045502640. Its totient is φ = 245288960.

The previous prime is 542641153. The next prime is 542641157. The reversal of 542641156 is 651146245.

It can be written as a sum of positive squares in 8 ways, for example, as 32604100 + 510037056 = 5710^2 + 22584^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (542641153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458886 + ... + 460066.

It is an arithmetic number, because the mean of its divisors is an integer number (21781305).

Almost surely, 2^542641156 is an apocalyptic number.

It is an amenable number.

542641156 is a deficient number, since it is larger than the sum of its proper divisors (502861484).

542641156 is a wasteful number, since it uses less digits than its factorization.

542641156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1462 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 542641156 is about 23294.6593879370. The cubic root of 542641156 is about 815.6507560477.

The spelling of 542641156 in words is "five hundred forty-two million, six hundred forty-one thousand, one hundred fifty-six".