146745224 has 16 divisors (see below), whose sum is σ = 291332700. Its totient is φ = 69056512.

The previous prime is 146745217. The next prime is 146745229. The reversal of 146745224 is 422547641.

It is a happy number.

146745224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 141372100 + 5373124 = 11890^2 + 2318^2 .

It is not an unprimeable number, because it can be changed into a prime (146745229) 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, 539369 + ... + 539640.

Almost surely, 2^146745224 is an apocalyptic number.

It is an amenable number.

146745224 is a deficient number, since it is larger than the sum of its proper divisors (144587476).

146745224 is a wasteful number, since it uses less digits than its factorization.

146745224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079032 (or 1079028 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 146745224 is about 12113.8443113654. The cubic root of 146745224 is about 527.4581313399.

The spelling of 146745224 in words is "one hundred forty-six million, seven hundred forty-five thousand, two hundred twenty-four".