146343428 has 24 divisors (see below), whose sum is σ = 319295424. Its totient is φ = 57016800.

The previous prime is 146343427. The next prime is 146343443. The reversal of 146343428 is 824343641.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (146343427) 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, 237263 + ... + 237878.

It is an arithmetic number, because the mean of its divisors is an integer number (13303976).

Almost surely, 2^146343428 is an apocalyptic number.

It is an amenable number.

146343428 is an abundant number, since it is smaller than the sum of its proper divisors (172951996).

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

146343428 is a wasteful number, since it uses less digits than its factorization.

146343428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475163 (or 475161 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 146343428 is about 12097.2487781313. The cubic root of 146343428 is about 526.9762887697.

The spelling of 146343428 in words is "one hundred forty-six million, three hundred forty-three thousand, four hundred twenty-eight".