156113501 has 8 divisors (see below), whose sum is σ = 157030104. Its totient is φ = 155200320.

The previous prime is 156113497. The next prime is 156113513. The reversal of 156113501 is 105311651.

156113501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2105401 + 154008100 = 1451^2 + 12410^2 .

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 156113501 - 2² = 156113497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156113561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182591 + ... + 183443.

It is an arithmetic number, because the mean of its divisors is an integer number (19628763).

Almost surely, 2^156113501 is an apocalyptic number.

It is an amenable number.

156113501 is a deficient number, since it is larger than the sum of its proper divisors (916603).

156113501 is an equidigital number, since it uses as much as digits as its factorization.

156113501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 156113501 is about 12494.5388470323. The cubic root of 156113501 is about 538.4517851174.

The spelling of 156113501 in words is "one hundred fifty-six million, one hundred thirteen thousand, five hundred one".