154449952 has 24 divisors (see below), whose sum is σ = 311492412. Its totient is φ = 75340800.

The previous prime is 154449949. The next prime is 154449959. The reversal of 154449952 is 259944451.

It can be written as a sum of positive squares in 2 ways, for example, as 141229456 + 13220496 = 11884^2 + 3636^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154449899 and 154449908.

It is not an unprimeable number, because it can be changed into a prime (154449959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57549 + ... + 60172.

Almost surely, 2^154449952 is an apocalyptic number.

It is an amenable number.

154449952 is an abundant number, since it is smaller than the sum of its proper divisors (157042460).

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

154449952 is a wasteful number, since it uses less digits than its factorization.

154449952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117772 (or 117764 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 154449952 is about 12427.7895057810. The cubic root of 154449952 is about 536.5323662931.

The spelling of 154449952 in words is "one hundred fifty-four million, four hundred forty-nine thousand, nine hundred fifty-two".