542023545 has 96 divisors (see below), whose sum is σ = 1091664000. Its totient is φ = 228178944.

The previous prime is 542023523. The next prime is 542023549. The reversal of 542023545 is 545320245.

It is not a de Polignac number, because 542023545 - 2⁸ = 542023289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542023549) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 516181 + ... + 517229.

It is an arithmetic number, because the mean of its divisors is an integer number (11371500).

Almost surely, 2^542023545 is an apocalyptic number.

It is an amenable number.

542023545 is an abundant number, since it is smaller than the sum of its proper divisors (549640455).

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

542023545 is a wasteful number, since it uses less digits than its factorization.

542023545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 542023545 is about 23281.3991203278. The cubic root of 542023545 is about 815.3411922830.

The spelling of 542023545 in words is "five hundred forty-two million, twenty-three thousand, five hundred forty-five".