30149375 has 10 divisors (see below), whose sum is σ = 37675440. Its totient is φ = 24119000.

The previous prime is 30149303. The next prime is 30149393. The reversal of 30149375 is 57394103.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-30149375 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23495 + ... + 24744.

It is an arithmetic number, because the mean of its divisors is an integer number (3767544).

Almost surely, 2^30149375 is an apocalyptic number.

30149375 is a deficient number, since it is larger than the sum of its proper divisors (7526065).

30149375 is an frugal number, since it uses more digits than its factorization.

30149375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48259 (or 48244 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 30149375 is about 5490.8446526923. The cubic root of 30149375 is about 311.2381112968.

The spelling of 30149375 in words is "thirty million, one hundred forty-nine thousand, three hundred seventy-five".