30645453 has 16 divisors (see below), whose sum is σ = 44015616. Its totient is φ = 18910320.

The previous prime is 30645437. The next prime is 30645479. The reversal of 30645453 is 35454603.

It is not a de Polignac number, because 30645453 - 2⁴ = 30645437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30645453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30645053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5025 + ... + 9302.

It is an arithmetic number, because the mean of its divisors is an integer number (2750976).

Almost surely, 2^30645453 is an apocalyptic number.

It is an amenable number.

30645453 is a deficient number, since it is larger than the sum of its proper divisors (13370163).

30645453 is a wasteful number, since it uses less digits than its factorization.

30645453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14384.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 30645453 is about 5535.8335415726. The cubic root of 30645453 is about 312.9358713424.

The spelling of 30645453 in words is "thirty million, six hundred forty-five thousand, four hundred fifty-three".