30145302 has 24 divisors (see below), whose sum is σ = 71253000. Its totient is φ = 9134880.

The previous prime is 30145289. The next prime is 30145303. The reversal of 30145302 is 20354103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30145303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75927 + ... + 76322.

It is an arithmetic number, because the mean of its divisors is an integer number (2968875).

Almost surely, 2^30145302 is an apocalyptic number.

30145302 is an abundant number, since it is smaller than the sum of its proper divisors (41107698).

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

30145302 is a wasteful number, since it uses less digits than its factorization.

30145302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152268 (or 152265 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30145302 is about 5490.4737500511. The cubic root of 30145302 is about 311.2240951973.

Adding to 30145302 its reverse (20354103), we get a palindrome (50499405).

The spelling of 30145302 in words is "thirty million, one hundred forty-five thousand, three hundred two".