30248045 has 8 divisors (see below), whose sum is σ = 36631320. Its totient is φ = 23976000.

The previous prime is 30248003. The next prime is 30248047. The reversal of 30248045 is 54084203.

It can be written as a sum of positive squares in 4 ways, for example, as 9572836 + 20675209 = 3094^2 + 4547^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-30248045 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30248047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27206 + ... + 28295.

It is an arithmetic number, because the mean of its divisors is an integer number (4578915).

Almost surely, 2^30248045 is an apocalyptic number.

It is an amenable number.

30248045 is a deficient number, since it is larger than the sum of its proper divisors (6383275).

30248045 is a wasteful number, since it uses less digits than its factorization.

30248045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55615.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 30248045 is about 5499.8222698556. The cubic root of 30248045 is about 311.5772717137.

The spelling of 30248045 in words is "thirty million, two hundred forty-eight thousand, forty-five".