30404045 has 32 divisors (see below), whose sum is σ = 43960320. Its totient is φ = 19736640.

The previous prime is 30404039. The next prime is 30404063. The reversal of 30404045 is 54040403.

It is a happy number.

It is not a de Polignac number, because 30404045 - 2⁴ = 30404029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143990 + ... + 144200.

It is an arithmetic number, because the mean of its divisors is an integer number (1373760).

Almost surely, 2^30404045 is an apocalyptic number.

30404045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30404045 is a deficient number, since it is larger than the sum of its proper divisors (13556275).

30404045 is a wasteful number, since it uses less digits than its factorization.

30404045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 30404045 is about 5513.9863075637. The cubic root of 30404045 is about 312.1119920388. Note that the first 3 decimals are identical.

Adding to 30404045 its reverse (54040403), we get a palindrome (84444448).

The spelling of 30404045 in words is "thirty million, four hundred four thousand, forty-five".