146909816 has 8 divisors (see below), whose sum is σ = 275455920. Its totient is φ = 73454904.

The previous prime is 146909759. The next prime is 146909849. The reversal of 146909816 is 618909641.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9181856 + ... + 9181871.

It is an arithmetic number, because the mean of its divisors is an integer number (34431990).

Almost surely, 2^146909816 is an apocalyptic number.

It is an amenable number.

146909816 is a deficient number, since it is larger than the sum of its proper divisors (128546104).

146909816 is a wasteful number, since it uses less digits than its factorization.

146909816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18363733 (or 18363729 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 146909816 is about 12120.6359569125. The cubic root of 146909816 is about 527.6552597341.

The spelling of 146909816 in words is "one hundred forty-six million, nine hundred nine thousand, eight hundred sixteen".