30250045 has 16 divisors (see below), whose sum is σ = 42917760. Its totient is φ = 20026944.

The previous prime is 30250043. The next prime is 30250061. The reversal of 30250045 is 54005203.

It is a happy number.

It is not a de Polignac number, because 30250045 - 2¹ = 30250043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30250043) 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, 13887 + ... + 15916.

It is an arithmetic number, because the mean of its divisors is an integer number (2682360).

Almost surely, 2^30250045 is an apocalyptic number.

30250045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30250045 is a deficient number, since it is larger than the sum of its proper divisors (12667715).

30250045 is a wasteful number, since it uses less digits than its factorization.

30250045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29844.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 30250045 is about 5500.0040909076. The cubic root of 30250045 is about 311.5841387229.

Adding to 30250045 its reverse (54005203), we get a palindrome (84255248).

The spelling of 30250045 in words is "thirty million, two hundred fifty thousand, forty-five".