145845636 has 12 divisors (see below), whose sum is σ = 340306512. Its totient is φ = 48615208.

The previous prime is 145845629. The next prime is 145845641. The reversal of 145845636 is 636548541.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6076890 + ... + 6076913.

It is an arithmetic number, because the mean of its divisors is an integer number (28358876).

Almost surely, 2^145845636 is an apocalyptic number.

It is an amenable number.

145845636 is an abundant number, since it is smaller than the sum of its proper divisors (194460876).

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

145845636 is a wasteful number, since it uses less digits than its factorization.

145845636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12153810 (or 12153808 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 145845636 is about 12076.6566565420. The cubic root of 145845636 is about 526.3781009250.

The spelling of 145845636 in words is "one hundred forty-five million, eight hundred forty-five thousand, six hundred thirty-six".