542403645 has 16 divisors (see below), whose sum is σ = 991824000. Its totient is φ = 247955904.

The previous prime is 542403629. The next prime is 542403661. The reversal of 542403645 is 546304245.

It is an interprime number because it is at equal distance from previous prime (542403629) and next prime (542403661).

It is not a de Polignac number, because 542403645 - 2⁴ = 542403629 is a prime.

It is a congruent number.

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, 2582770 + ... + 2582979.

It is an arithmetic number, because the mean of its divisors is an integer number (61989000).

Almost surely, 2^542403645 is an apocalyptic number.

It is an amenable number.

542403645 is a deficient number, since it is larger than the sum of its proper divisors (449420355).

542403645 is a wasteful number, since it uses less digits than its factorization.

542403645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165764.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 542403645 is about 23289.5608588913. The cubic root of 542403645 is about 815.5317367562.

The spelling of 542403645 in words is "five hundred forty-two million, four hundred three thousand, six hundred forty-five".