90002544542 has 16 divisors (see below), whose sum is σ = 142953487632. Its totient is φ = 42351688320.

The previous prime is 90002544539. The next prime is 90002544617. The reversal of 90002544542 is 24544520009.

It is a congruent number.

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, 608633 + ... + 741915.

It is an arithmetic number, because the mean of its divisors is an integer number (8934592977).

Almost surely, 2^90002544542 is an apocalyptic number.

90002544542 is a deficient number, since it is larger than the sum of its proper divisors (52950943090).

90002544542 is a wasteful number, since it uses less digits than its factorization.

90002544542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153163.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 90002544542 in words is "ninety billion, two million, five hundred forty-four thousand, five hundred forty-two".