154475252 has 6 divisors (see below), whose sum is σ = 270331698. Its totient is φ = 77237624.

The previous prime is 154475213. The next prime is 154475281. The reversal of 154475252 is 252574451.

154475252 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 131010916 + 23464336 = 11446^2 + 4844^2 .

154475252 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19309403 + ... + 19309410.

It is an arithmetic number, because the mean of its divisors is an integer number (45055283).

Almost surely, 2^154475252 is an apocalyptic number.

It is an amenable number.

154475252 is a deficient number, since it is larger than the sum of its proper divisors (115856446).

154475252 is a wasteful number, since it uses less digits than its factorization.

154475252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38618817 (or 38618815 counting only the distinct ones).

The product of its digits is 56000, while the sum is 35.

The square root of 154475252 is about 12428.8073442306. The cubic root of 154475252 is about 536.5616606321.

The spelling of 154475252 in words is "one hundred fifty-four million, four hundred seventy-five thousand, two hundred fifty-two".