30147102 has 24 divisors (see below), whose sum is σ = 66216384. Its totient is φ = 9910944.

The previous prime is 30147101. The next prime is 30147109. The reversal of 30147102 is 20174103.

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 (30147101) 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, 10158 + ... + 12785.

It is an arithmetic number, because the mean of its divisors is an integer number (2759016).

Almost surely, 2^30147102 is an apocalyptic number.

30147102 is an abundant number, since it is smaller than the sum of its proper divisors (36069282).

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

30147102 is a wasteful number, since it uses less digits than its factorization.

30147102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23024 (or 23021 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 30147102 is about 5490.6376678852. The cubic root of 30147102 is about 311.2302895536.

The spelling of 30147102 in words is "thirty million, one hundred forty-seven thousand, one hundred two".