146923428 has 24 divisors (see below), whose sum is σ = 360865120. Its totient is φ = 46396800.

The previous prime is 146923421. The next prime is 146923499. The reversal of 146923428 is 824329641.

146923428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (146923421) 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, 321973 + ... + 322428.

Almost surely, 2^146923428 is an apocalyptic number.

It is an amenable number.

146923428 is an abundant number, since it is smaller than the sum of its proper divisors (213941692).

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

146923428 is a wasteful number, since it uses less digits than its factorization.

146923428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644427 (or 644425 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 146923428 is about 12121.1974655972. The cubic root of 146923428 is about 527.6715559485.

The spelling of 146923428 in words is "one hundred forty-six million, nine hundred twenty-three thousand, four hundred twenty-eight".