30944145 has 8 divisors (see below), whose sum is σ = 49510656. Its totient is φ = 16503536.

The previous prime is 30944129. The next prime is 30944153. The reversal of 30944145 is 54144903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30944145 - 2⁴ = 30944129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031457 + ... + 1031486.

It is an arithmetic number, because the mean of its divisors is an integer number (6188832).

Almost surely, 2^30944145 is an apocalyptic number.

It is an amenable number.

30944145 is a deficient number, since it is larger than the sum of its proper divisors (18566511).

30944145 is a wasteful number, since it uses less digits than its factorization.

30944145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062951.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 30944145 is about 5562.7461743279. The cubic root of 30944145 is about 313.9492831931.

The spelling of 30944145 in words is "thirty million, nine hundred forty-four thousand, one hundred forty-five".