156053369 has 2 divisors, whose sum is σ = 156053370. Its totient is φ = 156053368.

The previous prime is 156053347. The next prime is 156053399. The reversal of 156053369 is 963350651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107889769 + 48163600 = 10387^2 + 6940^2 .

It is a cyclic number.

It is not a de Polignac number, because 156053369 - 2²⁴ = 139276153 is a prime.

It is a super-2 number, since 2×156053369² = 48705307952500322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (156053329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78026684 + 78026685.

It is an arithmetic number, because the mean of its divisors is an integer number (78026685).

Almost surely, 2^156053369 is an apocalyptic number.

It is an amenable number.

156053369 is a deficient number, since it is larger than the sum of its proper divisors (1).

156053369 is an equidigital number, since it uses as much as digits as its factorization.

156053369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 156053369 is about 12492.1322839618. The cubic root of 156053369 is about 538.3826423878.

The spelling of 156053369 in words is "one hundred fifty-six million, fifty-three thousand, three hundred sixty-nine".