45269947 has 4 divisors (see below), whose sum is σ = 45670680. Its totient is φ = 44869216.

The previous prime is 45269941. The next prime is 45269969. The reversal of 45269947 is 74996254.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45269947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45269897 and 45269906.

It is not an unprimeable number, because it can be changed into a prime (45269941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200197 + ... + 200422.

It is an arithmetic number, because the mean of its divisors is an integer number (11417670).

Almost surely, 2^45269947 is an apocalyptic number.

45269947 is a deficient number, since it is larger than the sum of its proper divisors (400733).

45269947 is a wasteful number, since it uses less digits than its factorization.

45269947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400732.

The product of its digits is 544320, while the sum is 46.

The square root of 45269947 is about 6728.2945090119. The cubic root of 45269947 is about 356.3991519910.

The spelling of 45269947 in words is "forty-five million, two hundred sixty-nine thousand, nine hundred forty-seven".