154452434 has 16 divisors (see below), whose sum is σ = 244771200. Its totient is φ = 72975504.

The previous prime is 154452413. The next prime is 154452437. The reversal of 154452434 is 434254451.

It is a self number, because there is not a number n which added to its sum of digits gives 154452434.

It is not an unprimeable number, because it can be changed into a prime (154452437) 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, 25604 + ... + 31055.

It is an arithmetic number, because the mean of its divisors is an integer number (15298200).

Almost surely, 2^154452434 is an apocalyptic number.

154452434 is a deficient number, since it is larger than the sum of its proper divisors (90318766).

154452434 is a wasteful number, since it uses less digits than its factorization.

154452434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56737.

The product of its digits is 38400, while the sum is 32.

The square root of 154452434 is about 12427.8893622369. The cubic root of 154452434 is about 536.5352402903.

The spelling of 154452434 in words is "one hundred fifty-four million, four hundred fifty-two thousand, four hundred thirty-four".