542131045 has 8 divisors (see below), whose sum is σ = 678842496. Its totient is φ = 414848016.

The previous prime is 542131001. The next prime is 542131061. The reversal of 542131045 is 540131245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542131045 - 2⁷ = 542130917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356977 + ... + 2357206.

It is an arithmetic number, because the mean of its divisors is an integer number (84855312).

Almost surely, 2^542131045 is an apocalyptic number.

It is an amenable number.

542131045 is a deficient number, since it is larger than the sum of its proper divisors (136711451).

542131045 is a wasteful number, since it uses less digits than its factorization.

542131045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714211.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 542131045 is about 23283.7077159116. The cubic root of 542131045 is about 815.3950911619.

The spelling of 542131045 in words is "five hundred forty-two million, one hundred thirty-one thousand, forty-five".