30599145 has 12 divisors (see below), whose sum is σ = 53038596. Its totient is φ = 16319520.

The previous prime is 30599141. The next prime is 30599171. The reversal of 30599145 is 54199503.

It can be written as a sum of positive squares in 2 ways, for example, as 7817616 + 22781529 = 2796^2 + 4773^2 .

It is not a de Polignac number, because 30599145 - 2² = 30599141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30599141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339946 + ... + 340035.

It is an arithmetic number, because the mean of its divisors is an integer number (4419883).

Almost surely, 2^30599145 is an apocalyptic number.

It is an amenable number.

30599145 is a deficient number, since it is larger than the sum of its proper divisors (22439451).

30599145 is a wasteful number, since it uses less digits than its factorization.

30599145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679992 (or 679989 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 30599145 is about 5531.6493923603. The cubic root of 30599145 is about 312.7781672534.

The spelling of 30599145 in words is "thirty million, five hundred ninety-nine thousand, one hundred forty-five".