5142523456 has 56 divisors (see below), whose sum is σ = 11669572800. Its totient is φ = 2202604032.

The previous prime is 5142523447. The next prime is 5142523487. The reversal of 5142523456 is 6543252415.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-5 number, since 5×5142523456⁵ (a number of 50 digits) contains 55555 as substring.

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, 1207026 + ... + 1211278.

Almost surely, 2^5142523456 is an apocalyptic number.

5142523456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5142523456 is an abundant number, since it is smaller than the sum of its proper divisors (6527049344).

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

5142523456 is a wasteful number, since it uses less digits than its factorization.

5142523456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6971 (or 6961 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 5142523456 is about 71711.3900018679. The cubic root of 5142523456 is about 1726.0714151626.

The spelling of 5142523456 in words is "five billion, one hundred forty-two million, five hundred twenty-three thousand, four hundred fifty-six".