118149453 has 12 divisors (see below), whose sum is σ = 171148380. Its totient is φ = 78541056.

The previous prime is 118149431. The next prime is 118149469. The reversal of 118149453 is 354941811.

118149453 is a `hidden beast` number, since 118 + 1 + 494 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 79174404 + 38975049 = 8898^2 + 6243^2 .

It is not a de Polignac number, because 118149453 - 2²⁰ = 117100877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118149553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15418 + ... + 21771.

It is an arithmetic number, because the mean of its divisors is an integer number (14262365).

Almost surely, 2^118149453 is an apocalyptic number.

It is an amenable number.

118149453 is a deficient number, since it is larger than the sum of its proper divisors (52998927).

118149453 is a wasteful number, since it uses less digits than its factorization.

118149453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37548 (or 37545 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 118149453 is about 10869.6574463044. The cubic root of 118149453 is about 490.6938012863.

The spelling of 118149453 in words is "one hundred eighteen million, one hundred forty-nine thousand, four hundred fifty-three".