154020332 has 24 divisors (see below), whose sum is σ = 276677856. Its totient is φ = 74991488.

The previous prime is 154020319. The next prime is 154020389. The reversal of 154020332 is 233020451.

It is a happy number.

154020332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26393 + ... + 31695.

It is an arithmetic number, because the mean of its divisors is an integer number (11528244).

Almost surely, 2^154020332 is an apocalyptic number.

It is an amenable number.

154020332 is a deficient number, since it is larger than the sum of its proper divisors (122657524).

154020332 is a wasteful number, since it uses less digits than its factorization.

154020332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497 (or 5495 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 154020332 is about 12410.4928185790. The cubic root of 154020332 is about 536.0344291763.

Adding to 154020332 its reverse (233020451), we get a palindrome (387040783).

The spelling of 154020332 in words is "one hundred fifty-four million, twenty thousand, three hundred thirty-two".