45250247 has 8 divisors (see below), whose sum is σ = 51917856. Its totient is φ = 38633472.

The previous prime is 45250241. The next prime is 45250307. The reversal of 45250247 is 74205254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45250247 - 2¹² = 45246151 is a prime.

It is a super-2 number, since 2×45250247² = 4095169707122018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45250241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10778 + ... + 14375.

It is an arithmetic number, because the mean of its divisors is an integer number (6489732).

Almost surely, 2^45250247 is an apocalyptic number.

45250247 is a deficient number, since it is larger than the sum of its proper divisors (6667609).

45250247 is a wasteful number, since it uses less digits than its factorization.

45250247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25417.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 45250247 is about 6726.8303828772. The cubic root of 45250247 is about 356.3474467394.

The spelling of 45250247 in words is "forty-five million, two hundred fifty thousand, two hundred forty-seven".