154742252 has 24 divisors (see below), whose sum is σ = 322941696. Its totient is φ = 63434448.

The previous prime is 154742227. The next prime is 154742267. The reversal of 154742252 is 252247451.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119498 + ... + 120785.

It is an arithmetic number, because the mean of its divisors is an integer number (13455904).

Almost surely, 2^154742252 is an apocalyptic number.

It is an amenable number.

154742252 is an abundant number, since it is smaller than the sum of its proper divisors (168199444).

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

154742252 is a wasteful number, since it uses less digits than its factorization.

154742252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240317 (or 240315 counting only the distinct ones).

The product of its digits is 22400, while the sum is 32.

The square root of 154742252 is about 12439.5438823134. The cubic root of 154742252 is about 536.8706195131.

The spelling of 154742252 in words is "one hundred fifty-four million, seven hundred forty-two thousand, two hundred fifty-two".