118149192 has 180 divisors, whose sum is σ = 391370265. Its totient is φ = 33203520.

The previous prime is 118149181. The next prime is 118149193. The reversal of 118149192 is 291941811.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

118149192 is a `hidden beast` number, since 1 + 1 + 81 + 491 + 92 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 80030916 + 38118276 = 8946^2 + 6174^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7686.

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

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (118149193) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1936842 + ... + 1936902.

Almost surely, 2^118149192 is an apocalyptic number.

118149192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118149192

118149192 is an abundant number, since it is smaller than the sum of its proper divisors (273221073).

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

118149192 is an equidigital number, since it uses as much as digits as its factorization.

118149192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 73 counting only the distinct ones).

The product of its digits is 5184, while the sum is 36.

The square root of 118149192 is about 10869.6454403996. The cubic root of 118149192 is about 490.6934399609.

It can be divided in two parts, 118149 and 192, that added together give a triangular number (118341 = T₄₈₆).

The spelling of 118149192 in words is "one hundred eighteen million, one hundred forty-nine thousand, one hundred ninety-two".