155500452 has 48 divisors (see below), whose sum is σ = 404066880. Its totient is φ = 51715584.

The previous prime is 155500441. The next prime is 155500453. The reversal of 155500452 is 254005551.

155500452 is a `hidden beast` number, since 155 + 500 + 4 + 5 + 2 = 666.

155500452 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 (27).

It is not an unprimeable number, because it can be changed into a prime (155500453) 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, 55108 + ... + 57860.

It is an arithmetic number, because the mean of its divisors is an integer number (8418060).

Almost surely, 2^155500452 is an apocalyptic number.

155500452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155500452 is an abundant number, since it is smaller than the sum of its proper divisors (248566428).

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

155500452 is a wasteful number, since it uses less digits than its factorization.

155500452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289 (or 3281 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 155500452 is about 12469.9820368756. The cubic root of 155500452 is about 537.7460371356.

The spelling of 155500452 in words is "one hundred fifty-five million, five hundred thousand, four hundred fifty-two".