146725428 has 24 divisors (see below), whose sum is σ = 344464288. Its totient is φ = 48607776.

The previous prime is 146725421. The next prime is 146725463. The reversal of 146725428 is 824527641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146725421) 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, 35551 + ... + 39462.

Almost surely, 2^146725428 is an apocalyptic number.

It is an amenable number.

146725428 is an abundant number, since it is smaller than the sum of its proper divisors (197738860).

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

146725428 is a wasteful number, since it uses less digits than its factorization.

146725428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75183 (or 75181 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 146725428 is about 12113.0272021489. The cubic root of 146725428 is about 527.4344121563.

It can be divided in two parts, 146725 and 428, that added together give a triangular number (147153 = T₅₄₂).

The spelling of 146725428 in words is "one hundred forty-six million, seven hundred twenty-five thousand, four hundred twenty-eight".