30145602 has 32 divisors (see below), whose sum is σ = 62282304. Its totient is φ = 9720000.

The previous prime is 30145601. The next prime is 30145603. The reversal of 30145602 is 20654103.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30145601) and next prime (30145603).

It is not an unprimeable number, because it can be changed into a prime (30145601) 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, 55452 + ... + 55992.

It is an arithmetic number, because the mean of its divisors is an integer number (1946322).

Almost surely, 2^30145602 is an apocalyptic number.

30145602 is an abundant number, since it is smaller than the sum of its proper divisors (32136702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30145602 is a wasteful number, since it uses less digits than its factorization.

30145602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 30145602 is about 5490.5010700299. The cubic root of 30145602 is about 311.2251276072.

Adding to 30145602 its reverse (20654103), we get a palindrome (50799705).

The spelling of 30145602 in words is "thirty million, one hundred forty-five thousand, six hundred two".