109155492 has 48 divisors (see below), whose sum is σ = 283752000. Its totient is φ = 36288000.

The previous prime is 109155481. The next prime is 109155509. The reversal of 109155492 is 294551901.

109155492 is a `hidden beast` number, since 10 + 9 + 1 + 554 + 92 = 666.

It is a super-3 number, since 3×109155492³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47367 + ... + 49617.

It is an arithmetic number, because the mean of its divisors is an integer number (5911500).

Almost surely, 2^109155492 is an apocalyptic number.

109155492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109155492 is an abundant number, since it is smaller than the sum of its proper divisors (174596508).

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

109155492 is a wasteful number, since it uses less digits than its factorization.

109155492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 109155492 is about 10447.7505712952. The cubic root of 109155492 is about 477.9126548036.

The spelling of 109155492 in words is "one hundred nine million, one hundred fifty-five thousand, four hundred ninety-two".