45242906 has 4 divisors (see below), whose sum is σ = 67864362. Its totient is φ = 22621452.

The previous prime is 45242903. The next prime is 45242947. The reversal of 45242906 is 60924254.

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., 41667025 + 3575881 = 6455^2 + 1891^2 .

It is not an unprimeable number, because it can be changed into a prime (45242903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11310725 + ... + 11310728.

Almost surely, 2^45242906 is an apocalyptic number.

45242906 is a deficient number, since it is larger than the sum of its proper divisors (22621456).

45242906 is a wasteful number, since it uses less digits than its factorization.

45242906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22621455.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 45242906 is about 6726.2847100015. The cubic root of 45242906 is about 356.3281754776.

The spelling of 45242906 in words is "forty-five million, two hundred forty-two thousand, nine hundred six".