156226869 has 12 divisors (see below), whose sum is σ = 230909536. Its totient is φ = 101728872.

The previous prime is 156226853. The next prime is 156226877. The reversal of 156226869 is 968622651.

156226869 is a `hidden beast` number, since 1 + 562 + 2 + 6 + 86 + 9 = 666.

It is not a de Polignac number, because 156226869 - 2⁴ = 156226853 is a prime.

It is a super-2 number, since 2×156226869² = 48813669195086322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156226069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201457 + ... + 202230.

Almost surely, 2^156226869 is an apocalyptic number.

It is an amenable number.

156226869 is a deficient number, since it is larger than the sum of its proper divisors (74682667).

156226869 is a wasteful number, since it uses less digits than its factorization.

156226869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403736 (or 403733 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 156226869 is about 12499.0747257547. The cubic root of 156226869 is about 538.5820929410.

The spelling of 156226869 in words is "one hundred fifty-six million, two hundred twenty-six thousand, eight hundred sixty-nine".