30145874 has 16 divisors (see below), whose sum is σ = 49821696. Its totient is φ = 13566000.

The previous prime is 30145831. The next prime is 30145883. The reversal of 30145874 is 47854103.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30145874.

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, 4562 + ... + 9005.

It is an arithmetic number, because the mean of its divisors is an integer number (3113856).

Almost surely, 2^30145874 is an apocalyptic number.

30145874 is a deficient number, since it is larger than the sum of its proper divisors (19675822).

30145874 is a wasteful number, since it uses less digits than its factorization.

30145874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 30145874 is about 5490.5258400266. The cubic root of 30145874 is about 311.2260636528.

Adding to 30145874 its reverse (47854103), we get a palindrome (77999977).

It can be divided in two parts, 3014 and 5874, that added together give a palindrome (8888).

The spelling of 30145874 in words is "thirty million, one hundred forty-five thousand, eight hundred seventy-four".