154742253 has 16 divisors (see below), whose sum is σ = 209563200. Its totient is φ = 101552000.

The previous prime is 154742227. The next prime is 154742267. The reversal of 154742253 is 352247451.

It is a cyclic number.

It is not a de Polignac number, because 154742253 - 2⁸ = 154741997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154742053) 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, 65863 + ... + 68171.

It is an arithmetic number, because the mean of its divisors is an integer number (13097700).

Almost surely, 2^154742253 is an apocalyptic number.

It is an amenable number.

154742253 is a deficient number, since it is larger than the sum of its proper divisors (54820947).

154742253 is a wasteful number, since it uses less digits than its factorization.

154742253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652.

The product of its digits is 33600, while the sum is 33.

The square root of 154742253 is about 12439.5439225078. The cubic root of 154742253 is about 536.8706206696.

The spelling of 154742253 in words is "one hundred fifty-four million, seven hundred forty-two thousand, two hundred fifty-three".