146720804 has 6 divisors (see below), whose sum is σ = 256761414. Its totient is φ = 73360400.

The previous prime is 146720797. The next prime is 146720807. The reversal of 146720804 is 408027641.

It can be written as a sum of positive squares in only one way, i.e., 131102500 + 15618304 = 11450^2 + 3952^2 .

It is not an unprimeable number, because it can be changed into a prime (146720807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18340097 + ... + 18340104.

It is an arithmetic number, because the mean of its divisors is an integer number (42793569).

Almost surely, 2^146720804 is an apocalyptic number.

It is an amenable number.

146720804 is a deficient number, since it is larger than the sum of its proper divisors (110040610).

146720804 is a wasteful number, since it uses less digits than its factorization.

146720804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36680205 (or 36680203 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 146720804 is about 12112.8363317598. The cubic root of 146720804 is about 527.4288714618.

The spelling of 146720804 in words is "one hundred forty-six million, seven hundred twenty thousand, eight hundred four".