30145701 has 8 divisors (see below), whose sum is σ = 41174784. Its totient is φ = 19606880.

The previous prime is 30145699. The next prime is 30145729. The reversal of 30145701 is 10754103.

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

It is a cyclic number.

It is not a de Polignac number, because 30145701 - 2¹ = 30145699 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 (30145751) 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, 122421 + ... + 122666.

It is an arithmetic number, because the mean of its divisors is an integer number (5146848).

Almost surely, 2^30145701 is an apocalyptic number.

It is an amenable number.

30145701 is a deficient number, since it is larger than the sum of its proper divisors (11029083).

30145701 is a wasteful number, since it uses less digits than its factorization.

30145701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245131.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 30145701 is about 5490.5100855931. The cubic root of 30145701 is about 311.2254683009.

Adding to 30145701 its reverse (10754103), we get a palindrome (40899804).

The spelling of 30145701 in words is "thirty million, one hundred forty-five thousand, seven hundred one".