30450136 has 16 divisors (see below), whose sum is σ = 58062600. Its totient is φ = 14966784.

The previous prime is 30450089. The next prime is 30450139. The reversal of 30450136 is 63105403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30450139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31785 + ... + 32728.

Almost surely, 2^30450136 is an apocalyptic number.

It is an amenable number.

30450136 is a deficient number, since it is larger than the sum of its proper divisors (27612464).

30450136 is a wasteful number, since it uses less digits than its factorization.

30450136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64578 (or 64574 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 30450136 is about 5518.1641874812. The cubic root of 30450136 is about 312.2696277600.

Adding to 30450136 its reverse (63105403), we get a palindrome (93555539).

The spelling of 30450136 in words is "thirty million, four hundred fifty thousand, one hundred thirty-six".