113142305 has 8 divisors (see below), whose sum is σ = 136043712. Its totient is φ = 90331888.

The previous prime is 113142287. The next prime is 113142319. The reversal of 113142305 is 503241311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113142305 - 2¹⁴ = 113125921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19979 + ... + 25008.

It is an arithmetic number, because the mean of its divisors is an integer number (17005464).

Almost surely, 2^113142305 is an apocalyptic number.

It is an amenable number.

113142305 is a deficient number, since it is larger than the sum of its proper divisors (22901407).

113142305 is an equidigital number, since it uses as much as digits as its factorization.

113142305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45495.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 113142305 is about 10636.8371708887. The cubic root of 113142305 is about 483.6616733198.

Adding to 113142305 its reverse (503241311), we get a palindrome (616383616).

The spelling of 113142305 in words is "one hundred thirteen million, one hundred forty-two thousand, three hundred five".