156022047 has 12 divisors (see below), whose sum is σ = 226802680. Its totient is φ = 103351248.

The previous prime is 156022043. The next prime is 156022057. The reversal of 156022047 is 740220651.

156022047 is a `hidden beast` number, since 15 + 602 + 2 + 0 + 47 = 666.

It is not a de Polignac number, because 156022047 - 2² = 156022043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 156022047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156022043) 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, 53797 + ... + 56622.

Almost surely, 2^156022047 is an apocalyptic number.

156022047 is a deficient number, since it is larger than the sum of its proper divisors (70780633).

156022047 is a wasteful number, since it uses less digits than its factorization.

156022047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110582 (or 110579 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 156022047 is about 12490.8785519674. The cubic root of 156022047 is about 538.3466197766.

Adding to 156022047 its reverse (740220651), we get a palindrome (896242698).

The spelling of 156022047 in words is "one hundred fifty-six million, twenty-two thousand, forty-seven".