90634145742 has 24 divisors (see below), whose sum is σ = 224427408816. Its totient is φ = 25895470176.

The previous prime is 90634145741. The next prime is 90634145747. The reversal of 90634145742 is 24754143609.

90634145742 is a `hidden beast` number, since 9 + 0 + 63 + 4 + 14 + 574 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90634145741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359659183 + ... + 359659434.

It is an arithmetic number, because the mean of its divisors is an integer number (9351142034).

Almost surely, 2^90634145742 is an apocalyptic number.

90634145742 is an abundant number, since it is smaller than the sum of its proper divisors (133793263074).

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

90634145742 is a wasteful number, since it uses less digits than its factorization.

90634145742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719318632 (or 719318629 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 90634145742 in words is "ninety billion, six hundred thirty-four million, one hundred forty-five thousand, seven hundred forty-two".