155459351952 has 80 divisors (see below), whose sum is σ = 446475917760. Its totient is φ = 51790752000.

The previous prime is 155459351933. The next prime is 155459351953. The reversal of 155459351952 is 259153954551.

155459351952 is a `hidden beast` number, since 1 + 5 + 545 + 9 + 3 + 5 + 1 + 95 + 2 = 666.

It is a super-2 number, since 2×155459351952² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (155459351953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678127 + ... + 877937.

It is an arithmetic number, because the mean of its divisors is an integer number (5580948972).

Almost surely, 2^155459351952 is an apocalyptic number.

155459351952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155459351952 is an abundant number, since it is smaller than the sum of its proper divisors (291016565808).

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

155459351952 is a wasteful number, since it uses less digits than its factorization.

155459351952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201629 (or 201617 counting only the distinct ones).

The product of its digits is 6075000, while the sum is 54.

The spelling of 155459351952 in words is "one hundred fifty-five billion, four hundred fifty-nine million, three hundred fifty-one thousand, nine hundred fifty-two".