156454159 has 4 divisors (see below), whose sum is σ = 161849160. Its totient is φ = 151059160.

The previous prime is 156454157. The next prime is 156454163. The reversal of 156454159 is 951454651.

It is a happy number.

156454159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 156454159 - 2¹ = 156454157 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 (156454153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2697457 + ... + 2697514.

It is an arithmetic number, because the mean of its divisors is an integer number (40462290).

Almost surely, 2^156454159 is an apocalyptic number.

156454159 is a deficient number, since it is larger than the sum of its proper divisors (5395001).

156454159 is an equidigital number, since it uses as much as digits as its factorization.

156454159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5395000.

The product of its digits is 108000, while the sum is 40.

The square root of 156454159 is about 12508.1636941639. The cubic root of 156454159 is about 538.8431556014.

The spelling of 156454159 in words is "one hundred fifty-six million, four hundred fifty-four thousand, one hundred fifty-nine".