42945296 has 10 divisors (see below), whose sum is σ = 83206542. Its totient is φ = 21472640.

The previous prime is 42945293. The next prime is 42945307. The reversal of 42945296 is 69254924.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37945600 + 4999696 = 6160^2 + 2236^2 .

It is not an unprimeable number, because it can be changed into a prime (42945293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342025 + ... + 1342056.

Almost surely, 2^42945296 is an apocalyptic number.

It is an amenable number.

42945296 is a deficient number, since it is larger than the sum of its proper divisors (40261246).

42945296 is a wasteful number, since it uses less digits than its factorization.

42945296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684089 (or 2684083 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 42945296 is about 6553.2660559449. The cubic root of 42945296 is about 350.1911771887.

The spelling of 42945296 in words is "forty-two million, nine hundred forty-five thousand, two hundred ninety-six".