245531137432 has 64 divisors (see below), whose sum is σ = 544063703040. Its totient is φ = 101654438400.

The previous prime is 245531137429. The next prime is 245531137441. The reversal of 245531137432 is 234731135542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867408 + ... + 1115104.

It is an arithmetic number, because the mean of its divisors is an integer number (8500995360).

Almost surely, 2^245531137432 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 245531137432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272031851520).

245531137432 is an abundant number, since it is smaller than the sum of its proper divisors (298532565608).

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

245531137432 is a wasteful number, since it uses less digits than its factorization.

245531137432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248312 (or 248308 counting only the distinct ones).

The product of its digits is 302400, while the sum is 40.

The spelling of 245531137432 in words is "two hundred forty-five billion, five hundred thirty-one million, one hundred thirty-seven thousand, four hundred thirty-two".