155253546 has 24 divisors (see below), whose sum is σ = 384437664. Its totient is φ = 44358120.

The previous prime is 155253523. The next prime is 155253547. The reversal of 155253546 is 645352551.

155253546 is a `hidden beast` number, since 1 + 552 + 53 + 54 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 155253546.

It is not an unprimeable number, because it can be changed into a prime (155253547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 615960 + ... + 616211.

It is an arithmetic number, because the mean of its divisors is an integer number (16018236).

Almost surely, 2^155253546 is an apocalyptic number.

155253546 is an abundant number, since it is smaller than the sum of its proper divisors (229184118).

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

155253546 is a wasteful number, since it uses less digits than its factorization.

155253546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232186 (or 1232183 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 155253546 is about 12460.0780896429. The cubic root of 155253546 is about 537.4612725658.

The spelling of 155253546 in words is "one hundred fifty-five million, two hundred fifty-three thousand, five hundred forty-six".