30145402 has 8 divisors (see below), whose sum is σ = 51677856. Its totient is φ = 12919452.

The previous prime is 30145333. The next prime is 30145439. The reversal of 30145402 is 20454103.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30145402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076608 + ... + 1076635.

It is an arithmetic number, because the mean of its divisors is an integer number (6459732).

Almost surely, 2^30145402 is an apocalyptic number.

30145402 is a deficient number, since it is larger than the sum of its proper divisors (21532454).

30145402 is a wasteful number, since it uses less digits than its factorization.

30145402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153252.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 30145402 is about 5490.4828567258. The cubic root of 30145402 is about 311.2244393347.

Adding to 30145402 its reverse (20454103), we get a palindrome (50599505).

The spelling of 30145402 in words is "thirty million, one hundred forty-five thousand, four hundred two".