146015428 has 24 divisors (see below), whose sum is σ = 275623040. Its totient is φ = 67284000.

The previous prime is 146015423. The next prime is 146015449. The reversal of 146015428 is 824510641.

It is a self number, because there is not a number n which added to its sum of digits gives 146015428.

It is not an unprimeable number, because it can be changed into a prime (146015423) 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, 37183 + ... + 40921.

Almost surely, 2^146015428 is an apocalyptic number.

It is an amenable number.

146015428 is a deficient number, since it is larger than the sum of its proper divisors (129607612).

146015428 is a wasteful number, since it uses less digits than its factorization.

146015428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507 (or 4505 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 146015428 is about 12083.6843719124. The cubic root of 146015428 is about 526.5822897105.

The spelling of 146015428 in words is "one hundred forty-six million, fifteen thousand, four hundred twenty-eight".