90042498146 has 8 divisors (see below), whose sum is σ = 143008673580. Its totient is φ = 42372940288.

The previous prime is 90042498101. The next prime is 90042498181. The reversal of 90042498146 is 64189424009.

It can be written as a sum of positive squares in 2 ways, for example, as 79192150921 + 10850347225 = 281411^2 + 104165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 90042498146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1324154351 + ... + 1324154418.

Almost surely, 2^90042498146 is an apocalyptic number.

90042498146 is a deficient number, since it is larger than the sum of its proper divisors (52966175434).

90042498146 is a wasteful number, since it uses less digits than its factorization.

90042498146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648308788.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 90042498146 in words is "ninety billion, forty-two million, four hundred ninety-eight thousand, one hundred forty-six".