113155142 has 4 divisors (see below), whose sum is σ = 169732716. Its totient is φ = 56577570.

The previous prime is 113155123. The next prime is 113155151. The reversal of 113155142 is 241551311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241551311 = 569 ⋅424519.

It is a super-2 number, since 2×113155142² = 25608172322080328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28288784 + ... + 28288787.

It is an arithmetic number, because the mean of its divisors is an integer number (42433179).

Almost surely, 2^113155142 is an apocalyptic number.

113155142 is a deficient number, since it is larger than the sum of its proper divisors (56577574).

113155142 is an equidigital number, since it uses as much as digits as its factorization.

113155142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56577573.

The product of its digits is 600, while the sum is 23.

The square root of 113155142 is about 10637.4405756272. The cubic root of 113155142 is about 483.6799645331.

The spelling of 113155142 in words is "one hundred thirteen million, one hundred fifty-five thousand, one hundred forty-two".