118149441 has 4 divisors (see below), whose sum is σ = 157532592. Its totient is φ = 78766292.

The previous prime is 118149431. The next prime is 118149469. The reversal of 118149441 is 144941811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118149441 - 2⁶ = 118149377 is a prime.

It is a super-2 number, since 2×118149441² = 27918580817224962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118149431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19691571 + ... + 19691576.

It is an arithmetic number, because the mean of its divisors is an integer number (39383148).

Almost surely, 2^118149441 is an apocalyptic number.

It is an amenable number.

118149441 is a deficient number, since it is larger than the sum of its proper divisors (39383151).

118149441 is an equidigital number, since it uses as much as digits as its factorization.

118149441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39383150.

The product of its digits is 4608, while the sum is 33.

The square root of 118149441 is about 10869.6568943090. The cubic root of 118149441 is about 490.6937846736.

The spelling of 118149441 in words is "one hundred eighteen million, one hundred forty-nine thousand, four hundred forty-one".