30045492 has 36 divisors (see below), whose sum is σ = 78763776. Its totient is φ = 10014840.

The previous prime is 30045481. The next prime is 30045503. The reversal of 30045492 is 29454003.

It is an interprime number because it is at equal distance from previous prime (30045481) and next prime (30045503).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14484 + ... + 16427.

Almost surely, 2^30045492 is an apocalyptic number.

It is an amenable number.

30045492 is an abundant number, since it is smaller than the sum of its proper divisors (48718284).

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

30045492 is a wasteful number, since it uses less digits than its factorization.

30045492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30930 (or 30916 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30045492 is about 5481.3768343364. The cubic root of 30045492 is about 310.8802315192.

Adding to 30045492 its reverse (29454003), we get a palindrome (59499495).

The spelling of 30045492 in words is "thirty million, forty-five thousand, four hundred ninety-two".