146138804 has 24 divisors (see below), whose sum is σ = 307661760. Its totient is φ = 59334336.

The previous prime is 146138689. The next prime is 146138831. The reversal of 146138804 is 408831641.

It is a congruent number.

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, 136817 + ... + 137880.

It is an arithmetic number, because the mean of its divisors is an integer number (12819240).

Almost surely, 2^146138804 is an apocalyptic number.

146138804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

146138804 is an abundant number, since it is smaller than the sum of its proper divisors (161522956).

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

146138804 is a wasteful number, since it uses less digits than its factorization.

146138804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274727 (or 274725 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 146138804 is about 12088.7883594676. The cubic root of 146138804 is about 526.7305601773.

The spelling of 146138804 in words is "one hundred forty-six million, one hundred thirty-eight thousand, eight hundred four".