155080764 has 72 divisors (see below), whose sum is σ = 415034480. Its totient is φ = 50041152.

The previous prime is 155080763. The next prime is 155080781. The reversal of 155080764 is 467080551.

155080764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155080763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 787114 + ... + 787310.

Almost surely, 2^155080764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155080764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207517240).

155080764 is an abundant number, since it is smaller than the sum of its proper divisors (259953716).

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

155080764 is a wasteful number, since it uses less digits than its factorization.

155080764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 155080764 is about 12453.1427358719. The cubic root of 155080764 is about 537.2618179603.

The spelling of 155080764 in words is "one hundred fifty-five million, eighty thousand, seven hundred sixty-four".