90042703345 has 32 divisors (see below), whose sum is σ = 129362457600. Its totient is φ = 58859813376.

The previous prime is 90042703339. The next prime is 90042703357. The reversal of 90042703345 is 54330724009.

It is not a de Polignac number, because 90042703345 - 2⁵ = 90042703313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481284 + ... + 641653.

It is an arithmetic number, because the mean of its divisors is an integer number (4042576800).

Almost surely, 2^90042703345 is an apocalyptic number.

It is an amenable number.

90042703345 is a deficient number, since it is larger than the sum of its proper divisors (39319754255).

90042703345 is a wasteful number, since it uses less digits than its factorization.

90042703345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123057.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 90042703345 in words is "ninety billion, forty-two million, seven hundred three thousand, three hundred forty-five".