146744538 has 16 divisors (see below), whose sum is σ = 293607840. Its totient is φ = 48895056.

The previous prime is 146744519. The next prime is 146744551. The reversal of 146744538 is 835447641.

It is a self number, because there is not a number n which added to its sum of digits gives 146744538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26181 + ... + 31287.

It is an arithmetic number, because the mean of its divisors is an integer number (18350490).

Almost surely, 2^146744538 is an apocalyptic number.

146744538 is an abundant number, since it is smaller than the sum of its proper divisors (146863302).

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

146744538 is a wasteful number, since it uses less digits than its factorization.

146744538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901.

The product of its digits is 322560, while the sum is 42.

The square root of 146744538 is about 12113.8159966214. The cubic root of 146744538 is about 527.4573094237.

The spelling of 146744538 in words is "one hundred forty-six million, seven hundred forty-four thousand, five hundred thirty-eight".