99500142 has 32 divisors (see below), whose sum is σ = 234768384. Its totient is φ = 27511200.

The previous prime is 99500119. The next prime is 99500143. The reversal of 99500142 is 24100599.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99500143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36909 + ... + 39512.

It is an arithmetic number, because the mean of its divisors is an integer number (7336512).

Almost surely, 2^99500142 is an apocalyptic number.

99500142 is an abundant number, since it is smaller than the sum of its proper divisors (135268242).

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

99500142 is a wasteful number, since it uses less digits than its factorization.

99500142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76464.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 99500142 is about 9974.9757894443. The cubic root of 99500142 is about 463.3842127358.

The spelling of 99500142 in words is "ninety-nine million, five hundred thousand, one hundred forty-two".