30545454 has 16 divisors (see below), whose sum is σ = 61198848. Its totient is φ = 10163832.

The previous prime is 30545453. The next prime is 30545467. The reversal of 30545454 is 45454503.

It is a super-2 number, since 2×30545454² = 1866049520132232, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

30545454 is a modest number, since divided by 5454 gives 3054 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30545453) 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, 552 + ... + 7835.

It is an arithmetic number, because the mean of its divisors is an integer number (3824928).

Almost surely, 2^30545454 is an apocalyptic number.

30545454 is an abundant number, since it is smaller than the sum of its proper divisors (30653394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30545454 is a wasteful number, since it uses less digits than its factorization.

30545454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8999.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 30545454 is about 5526.7941883157. The cubic root of 30545454 is about 312.5951206970.

Adding to 30545454 its reverse (45454503), we get a palindrome (75999957).

The spelling of 30545454 in words is "thirty million, five hundred forty-five thousand, four hundred fifty-four".