154431452 has 24 divisors (see below), whose sum is σ = 310441824. Its totient is φ = 65846592.

The previous prime is 154431437. The next prime is 154431457. The reversal of 154431452 is 254134451.

154431452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154431457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8483 + ... + 19514.

It is an arithmetic number, because the mean of its divisors is an integer number (12935076).

Almost surely, 2^154431452 is an apocalyptic number.

It is an amenable number.

154431452 is an abundant number, since it is smaller than the sum of its proper divisors (156010372).

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

154431452 is a wasteful number, since it uses less digits than its factorization.

154431452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28205 (or 28203 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 154431452 is about 12427.0451837917. The cubic root of 154431452 is about 536.5109435064.

The spelling of 154431452 in words is "one hundred fifty-four million, four hundred thirty-one thousand, four hundred fifty-two".