30145964 has 24 divisors (see below), whose sum is σ = 57788640. Its totient is φ = 13696256.

The previous prime is 30145949. The next prime is 30145987. The reversal of 30145964 is 46954103.

It is a self number, because there is not a number n which added to its sum of digits gives 30145964.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5672 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (2407860).

Almost surely, 2^30145964 is an apocalyptic number.

30145964 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30145964 is a deficient number, since it is larger than the sum of its proper divisors (27642676).

30145964 is a wasteful number, since it uses less digits than its factorization.

30145964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15337 (or 15335 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 30145964 is about 5490.5340359568. The cubic root of 30145964 is about 311.2263733726.

The spelling of 30145964 in words is "thirty million, one hundred forty-five thousand, nine hundred sixty-four".