146252432 has 20 divisors (see below), whose sum is σ = 285436716. Its totient is φ = 72591360.

The previous prime is 146252383. The next prime is 146252437. The reversal of 146252432 is 234252641.

It can be written as a sum of positive squares in 2 ways, for example, as 75759616 + 70492816 = 8704^2 + 8396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146252395 and 146252404.

It is not an unprimeable number, because it can be changed into a prime (146252437) 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, 31169 + ... + 35552.

Almost surely, 2^146252432 is an apocalyptic number.

It is an amenable number.

146252432 is a deficient number, since it is larger than the sum of its proper divisors (139184284).

146252432 is a wasteful number, since it uses less digits than its factorization.

146252432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66866 (or 66860 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 146252432 is about 12093.4871728547. The cubic root of 146252432 is about 526.8670419170.

The spelling of 146252432 in words is "one hundred forty-six million, two hundred fifty-two thousand, four hundred thirty-two".