145595916 has 18 divisors (see below), whose sum is σ = 368034212. Its totient is φ = 48531960.

The previous prime is 145595903. The next prime is 145595941. The reversal of 145595916 is 619595541.

It is a happy number.

145595916 is a `hidden beast` number, since 1 + 4 + 5 + 59 + 591 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2022130 + ... + 2022201.

Almost surely, 2^145595916 is an apocalyptic number.

It is an amenable number.

145595916 is an abundant number, since it is smaller than the sum of its proper divisors (222438296).

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

145595916 is a wasteful number, since it uses less digits than its factorization.

145595916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044341 (or 4044336 counting only the distinct ones).

The product of its digits is 243000, while the sum is 45.

The square root of 145595916 is about 12066.3132729098. The cubic root of 145595916 is about 526.0775040368.

The spelling of 145595916 in words is "one hundred forty-five million, five hundred ninety-five thousand, nine hundred sixteen".