155924455947 has 32 divisors (see below), whose sum is σ = 236508384000. Its totient is φ = 90581991552.

The previous prime is 155924455937. The next prime is 155924455963. The reversal of 155924455947 is 749554429551.

It is not a de Polignac number, because 155924455947 - 2¹⁴ = 155924439563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155924455937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162072 + ... + 581477.

It is an arithmetic number, because the mean of its divisors is an integer number (7390887000).

Almost surely, 2^155924455947 is an apocalyptic number.

155924455947 is a deficient number, since it is larger than the sum of its proper divisors (80583928053).

155924455947 is a wasteful number, since it uses less digits than its factorization.

155924455947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743867.

The product of its digits is 45360000, while the sum is 60.

The spelling of 155924455947 in words is "one hundred fifty-five billion, nine hundred twenty-four million, four hundred fifty-five thousand, nine hundred forty-seven".