452257542 has 48 divisors (see below), whose sum is σ = 1079013312. Its totient is φ = 135760560.

The previous prime is 452257517. The next prime is 452257577. The reversal of 452257542 is 245752254.

452257542 is a `hidden beast` number, since 45 + 2 + 2 + 575 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 452257497 and 452257506.

It is a congruent number.

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, 10513 + ... + 31859.

It is an arithmetic number, because the mean of its divisors is an integer number (22479444).

Almost surely, 2^452257542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452257542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539506656).

452257542 is an abundant number, since it is smaller than the sum of its proper divisors (626755770).

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

452257542 is a wasteful number, since it uses less digits than its factorization.

452257542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21473 (or 21470 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 452257542 is about 21266.3476412853. The cubic root of 452257542 is about 767.5887589173.

The spelling of 452257542 in words is "four hundred fifty-two million, two hundred fifty-seven thousand, five hundred forty-two".