156036256281149 has 4 divisors (see below), whose sum is σ = 156037048182780. Its totient is φ = 156035464379520.

The previous prime is 156036256281131. The next prime is 156036256281167. The reversal of 156036256281149 is 941182652630651.

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

It is an interprime number because it is at equal distance from previous prime (156036256281131) and next prime (156036256281167).

It can be written as a sum of positive squares in 2 ways, for example, as 117263840718649 + 38772415562500 = 10828843^2 + 6226750^2 .

It is a cyclic number.

It is not a de Polignac number, because 156036256281149 - 2³² = 156031961313853 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 (156036256281179) 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, 395655182 + ... + 396049359.

It is an arithmetic number, because the mean of its divisors is an integer number (39009262045695).

Almost surely, 2^{156036256281149} is an apocalyptic number.

It is an amenable number.

156036256281149 is a deficient number, since it is larger than the sum of its proper divisors (791901631).

156036256281149 is an equidigital number, since it uses as much as digits as its factorization.

156036256281149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791901630.

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 156036256281149 in words is "one hundred fifty-six trillion, thirty-six billion, two hundred fifty-six million, two hundred eighty-one thousand, one hundred forty-nine".