154242444 has 24 divisors (see below), whose sum is σ = 364456960. Its totient is φ = 50763024.

The previous prime is 154242427. The next prime is 154242449. The reversal of 154242444 is 444242451.

It is not an unprimeable number, because it can be changed into a prime (154242449) 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, 80404 + ... + 82299.

Almost surely, 2^154242444 is an apocalyptic number.

It is an amenable number.

154242444 is an abundant number, since it is smaller than the sum of its proper divisors (210214516).

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

154242444 is a wasteful number, since it uses less digits than its factorization.

154242444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162789 (or 162787 counting only the distinct ones).

The product of its digits is 20480, while the sum is 30.

The square root of 154242444 is about 12419.4381515429. The cubic root of 154242444 is about 536.2919763273.

Adding to 154242444 its reverse (444242451), we get a palindrome (598484895).

The spelling of 154242444 in words is "one hundred fifty-four million, two hundred forty-two thousand, four hundred forty-four".