99590142 has 16 divisors (see below), whose sum is σ = 199318032. Its totient is φ = 33173760.

The previous prime is 99590129. The next prime is 99590159. The reversal of 99590142 is 24109599.

It is a self number, because there is not a number n which added to its sum of digits gives 99590142.

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, 5292 + ... + 15072.

It is an arithmetic number, because the mean of its divisors is an integer number (12457377).

Almost surely, 2^99590142 is an apocalyptic number.

99590142 is an abundant number, since it is smaller than the sum of its proper divisors (99727890).

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

99590142 is a wasteful number, since it uses less digits than its factorization.

99590142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 99590142 is about 9979.4860589110. The cubic root of 99590142 is about 463.5238842659.

It can be divided in two parts, 99 and 590142, that added together give a triangular number (590241 = T₁₀₈₆).

The spelling of 99590142 in words is "ninety-nine million, five hundred ninety thousand, one hundred forty-two".