99955142 has 16 divisors (see below), whose sum is σ = 171528192. Its totient is φ = 42793800.

The previous prime is 99955133. The next prime is 99955147. The reversal of 99955142 is 24155999.

It is a junction number, because it is equal to n+sod(n) for n = 99955093 and 99955102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99955147) 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, 13013 + ... + 19215.

It is an arithmetic number, because the mean of its divisors is an integer number (10720512).

Almost surely, 2^99955142 is an apocalyptic number.

99955142 is a deficient number, since it is larger than the sum of its proper divisors (71573050).

99955142 is a wasteful number, since it uses less digits than its factorization.

99955142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7363.

The product of its digits is 145800, while the sum is 44.

The square root of 99955142 is about 9997.7568484135. The cubic root of 99955142 is about 464.0894688503.

The spelling of 99955142 in words is "ninety-nine million, nine hundred fifty-five thousand, one hundred forty-two".