155345856522 has 16 divisors (see below), whose sum is σ = 320714026752. Its totient is φ = 50111566560.

The previous prime is 155345856481. The next prime is 155345856559. The reversal of 155345856522 is 225658543551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417596203 + ... + 417596574.

It is an arithmetic number, because the mean of its divisors is an integer number (20044626672).

Almost surely, 2^155345856522 is an apocalyptic number.

155345856522 is an abundant number, since it is smaller than the sum of its proper divisors (165368170230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155345856522 is a wasteful number, since it uses less digits than its factorization.

155345856522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835192813.

The product of its digits is 7200000, while the sum is 51.

The spelling of 155345856522 in words is "one hundred fifty-five billion, three hundred forty-five million, eight hundred fifty-six thousand, five hundred twenty-two".