39345146 has 4 divisors (see below), whose sum is σ = 59017722. Its totient is φ = 19672572.

The previous prime is 39345139. The next prime is 39345151. The reversal of 39345146 is 64154393.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26635921 + 12709225 = 5161^2 + 3565^2 .

It is a super-2 number, since 2×39345146² = 3096081027522632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9836285 + ... + 9836288.

Almost surely, 2^39345146 is an apocalyptic number.

39345146 is a deficient number, since it is larger than the sum of its proper divisors (19672576).

39345146 is a wasteful number, since it uses less digits than its factorization.

39345146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19672575.

The product of its digits is 38880, while the sum is 35.

The square root of 39345146 is about 6272.5709242702. The cubic root of 39345146 is about 340.1186033744.

The spelling of 39345146 in words is "thirty-nine million, three hundred forty-five thousand, one hundred forty-six".