1542433256 has 96 divisors (see below), whose sum is σ = 3789944640. Its totient is φ = 574239744.

The previous prime is 1542433223. The next prime is 1542433301. The reversal of 1542433256 is 6523342451.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156095 + ... + 165681.

It is an arithmetic number, because the mean of its divisors is an integer number (39478590).

Almost surely, 2^1542433256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542433256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1894972320).

1542433256 is an abundant number, since it is smaller than the sum of its proper divisors (2247511384).

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

1542433256 is a wasteful number, since it uses less digits than its factorization.

1542433256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9643 (or 9626 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 1542433256 is about 39273.8240562337. The cubic root of 1542433256 is about 1155.4082390905.

The spelling of 1542433256 in words is "one billion, five hundred forty-two million, four hundred thirty-three thousand, two hundred fifty-six".