146439152 has 20 divisors (see below), whose sum is σ = 283966200. Its totient is φ = 73157568.

The previous prime is 146439151. The next prime is 146439187. The reversal of 146439152 is 251934641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146439151) 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, 20099 + ... + 26397.

It is an arithmetic number, because the mean of its divisors is an integer number (14198310).

Almost surely, 2^146439152 is an apocalyptic number.

It is an amenable number.

146439152 is a deficient number, since it is larger than the sum of its proper divisors (137527048).

146439152 is a wasteful number, since it uses less digits than its factorization.

146439152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7760 (or 7754 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 146439152 is about 12101.2045681411. The cubic root of 146439152 is about 527.0911630403.

The spelling of 146439152 in words is "one hundred forty-six million, four hundred thirty-nine thousand, one hundred fifty-two".