42945316 has 12 divisors (see below), whose sum is σ = 76184332. Its totient is φ = 21178368.

The previous prime is 42945307. The next prime is 42945341. The reversal of 42945316 is 61354924.

42945316 = T₁₀₄₈ + T₁₀₄₉ + ... + T₁₁₂₀.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13351716 + 29593600 = 3654^2 + 5440^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 73245 + ... + 73828.

Almost surely, 2^42945316 is an apocalyptic number.

It is an amenable number.

42945316 is a deficient number, since it is larger than the sum of its proper divisors (33239016).

42945316 is a wasteful number, since it uses less digits than its factorization.

42945316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147150 (or 147148 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 42945316 is about 6553.2675819014. The cubic root of 42945316 is about 350.1912315511.

The spelling of 42945316 in words is "forty-two million, nine hundred forty-five thousand, three hundred sixteen".