105153992 has 8 divisors (see below), whose sum is σ = 197163750. Its totient is φ = 52576992.

The previous prime is 105153991. The next prime is 105154003. The reversal of 105153992 is 299351501.

It can be written as a sum of positive squares in only one way, i.e., 91508356 + 13645636 = 9566^2 + 3694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105153992² = 22114724067072128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105153991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6572117 + ... + 6572132.

Almost surely, 2^105153992 is an apocalyptic number.

It is an amenable number.

105153992 is a deficient number, since it is larger than the sum of its proper divisors (92009758).

105153992 is a wasteful number, since it uses less digits than its factorization.

105153992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13144255 (or 13144251 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 105153992 is about 10254.4620531747. The cubic root of 105153992 is about 471.9999162118. Note that the first 4 decimals are identical.

The spelling of 105153992 in words is "one hundred five million, one hundred fifty-three thousand, nine hundred ninety-two".