118151542 has 4 divisors (see below), whose sum is σ = 177227316. Its totient is φ = 59075770.

The previous prime is 118151533. The next prime is 118151549. The reversal of 118151542 is 245151811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245151811 = 6883 ⋅35617.

It is a self number, because there is not a number n which added to its sum of digits gives 118151542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118151549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29537884 + ... + 29537887.

It is an arithmetic number, because the mean of its divisors is an integer number (44306829).

Almost surely, 2^118151542 is an apocalyptic number.

118151542 is a deficient number, since it is larger than the sum of its proper divisors (59075774).

118151542 is an equidigital number, since it uses as much as digits as its factorization.

118151542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59075773.

The product of its digits is 1600, while the sum is 28.

The square root of 118151542 is about 10869.7535390643. The cubic root of 118151542 is about 490.6966932543.

The spelling of 118151542 in words is "one hundred eighteen million, one hundred fifty-one thousand, five hundred forty-two".