154214451 has 6 divisors (see below), whose sum is σ = 222754220. Its totient is φ = 102809628.

The previous prime is 154214419. The next prime is 154214479. The reversal of 154214451 is 154412451.

It is not a de Polignac number, because 154214451 - 2⁵ = 154214419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154214251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8567461 + ... + 8567478.

Almost surely, 2^154214451 is an apocalyptic number.

154214451 is a deficient number, since it is larger than the sum of its proper divisors (68539769).

154214451 is a wasteful number, since it uses less digits than its factorization.

154214451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17134945 (or 17134942 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 154214451 is about 12418.3111170561. The cubic root of 154214451 is about 536.2595310220.

The spelling of 154214451 in words is "one hundred fifty-four million, two hundred fourteen thousand, four hundred fifty-one".