30146039 has 16 divisors (see below), whose sum is σ = 37720320. Its totient is φ = 23405760.

The previous prime is 30145987. The next prime is 30146057. The reversal of 30146039 is 93064103.

It is not a de Polignac number, because 30146039 - 2²⁰ = 29097463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30145999 and 30146017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30146059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28667 + ... + 29699.

It is an arithmetic number, because the mean of its divisors is an integer number (2357520).

Almost surely, 2^30146039 is an apocalyptic number.

30146039 is a deficient number, since it is larger than the sum of its proper divisors (7574281).

30146039 is a wasteful number, since it uses less digits than its factorization.

30146039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30146039 is about 5490.5408658893. The cubic root of 30146039 is about 311.2266314719.

The spelling of 30146039 in words is "thirty million, one hundred forty-six thousand, thirty-nine".