30502149 has 8 divisors (see below), whose sum is σ = 40905312. Its totient is φ = 20216880.

The previous prime is 30502139. The next prime is 30502177. The reversal of 30502149 is 94120503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30502149 - 2⁴ = 30502133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30502139) 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, 28867 + ... + 29904.

It is an arithmetic number, because the mean of its divisors is an integer number (5113164).

Almost surely, 2^30502149 is an apocalyptic number.

It is an amenable number.

30502149 is a deficient number, since it is larger than the sum of its proper divisors (10403163).

30502149 is a wasteful number, since it uses less digits than its factorization.

30502149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58947.

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

The square root of 30502149 is about 5522.8750664848. The cubic root of 30502149 is about 312.4473263754.

The spelling of 30502149 in words is "thirty million, five hundred two thousand, one hundred forty-nine".