154214452 has 12 divisors (see below), whose sum is σ = 308428960. Its totient is φ = 66091896.

The previous prime is 154214419. The next prime is 154214479. The reversal of 154214452 is 254412451.

154214452 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 5507659 = 154214452 / (1 + 5 + 4 + 2 + 1 + 4 + 4 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 154214452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753802 + ... + 2753857.

Almost surely, 2^154214452 is an apocalyptic number.

It is an amenable number.

154214452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

154214452 is a wasteful number, since it uses less digits than its factorization.

154214452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507670 (or 5507668 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 154214452 is about 12418.3111573193. The cubic root of 154214452 is about 536.2595321811.

The spelling of 154214452 in words is "one hundred fifty-four million, two hundred fourteen thousand, four hundred fifty-two".