30148453 has 2 divisors, whose sum is σ = 30148454. Its totient is φ = 30148452.

The previous prime is 30148441. The next prime is 30148493. The reversal of 30148453 is 35484103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15233409 + 14915044 = 3903^2 + 3862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30148453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30148493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15074226 + 15074227.

It is an arithmetic number, because the mean of its divisors is an integer number (15074227).

Almost surely, 2^30148453 is an apocalyptic number.

It is an amenable number.

30148453 is a deficient number, since it is larger than the sum of its proper divisors (1).

30148453 is an equidigital number, since it uses as much as digits as its factorization.

30148453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 30148453 is about 5490.7606941115. The cubic root of 30148453 is about 311.2349386001.

The spelling of 30148453 in words is "thirty million, one hundred forty-eight thousand, four hundred fifty-three".