155795628 has 24 divisors (see below), whose sum is σ = 363984880. Its totient is φ = 51865920.

The previous prime is 155795621. The next prime is 155795639. The reversal of 155795628 is 826597551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (155795621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2118 + ... + 17778.

Almost surely, 2^155795628 is an apocalyptic number.

It is an amenable number.

155795628 is an abundant number, since it is smaller than the sum of its proper divisors (208189252).

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

155795628 is a wasteful number, since it uses less digits than its factorization.

155795628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16497 (or 16495 counting only the distinct ones).

The product of its digits is 756000, while the sum is 48.

The square root of 155795628 is about 12481.8118877028. The cubic root of 155795628 is about 538.0860777222.

The spelling of 155795628 in words is "one hundred fifty-five million, seven hundred ninety-five thousand, six hundred twenty-eight".