99142030 has 64 divisors (see below), whose sum is σ = 201696768. Its totient is φ = 34836480.

The previous prime is 99142003. The next prime is 99142033. The reversal of 99142030 is 3024199.

It is a happy number.

It is a super-2 number, since 2×99142030² = 19658284225041800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99142030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99142033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294022 + ... + 294358.

It is an arithmetic number, because the mean of its divisors is an integer number (3151512).

Almost surely, 2^99142030 is an apocalyptic number.

99142030 is an abundant number, since it is smaller than the sum of its proper divisors (102554738).

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

99142030 is a wasteful number, since it uses less digits than its factorization.

99142030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 99142030 is about 9957.0090890789. The cubic root of 99142030 is about 462.8276208027.

It can be divided in two parts, 99 and 142030, that added together give a square (142129 = 377²).

The spelling of 99142030 in words is "ninety-nine million, one hundred forty-two thousand, thirty".