99142854 has 16 divisors (see below), whose sum is σ = 198402048. Its totient is φ = 33028232.

The previous prime is 99142837. The next prime is 99142859. The reversal of 99142854 is 45824199.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99142859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9499 + ... + 16985.

It is an arithmetic number, because the mean of its divisors is an integer number (12400128).

Almost surely, 2^99142854 is an apocalyptic number.

99142854 is an abundant number, since it is smaller than the sum of its proper divisors (99259194).

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

99142854 is a wasteful number, since it uses less digits than its factorization.

99142854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699.

The product of its digits is 103680, while the sum is 42.

The square root of 99142854 is about 9957.0504668802. The cubic root of 99142854 is about 462.8289030335.

The spelling of 99142854 in words is "ninety-nine million, one hundred forty-two thousand, eight hundred fifty-four".