30145092 has 24 divisors (see below), whose sum is σ = 70464576. Its totient is φ = 10030368.

The previous prime is 30145081. The next prime is 30145133. The reversal of 30145092 is 29054103.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5913 + ... + 9759.

It is an arithmetic number, because the mean of its divisors is an integer number (2936024).

Almost surely, 2^30145092 is an apocalyptic number.

It is an amenable number.

30145092 is an abundant number, since it is smaller than the sum of its proper divisors (40319484).

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

30145092 is a wasteful number, since it uses less digits than its factorization.

30145092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507 (or 4505 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 30145092 is about 5490.4546259850. The cubic root of 30145092 is about 311.2233725064.

Adding to 30145092 its reverse (29054103), we get a palindrome (59199195).

The spelling of 30145092 in words is "thirty million, one hundred forty-five thousand, ninety-two".