45248890 has 8 divisors (see below), whose sum is σ = 81448020. Its totient is φ = 18099552.

The previous prime is 45248881. The next prime is 45248893. The reversal of 45248890 is 9884254.

It can be written as a sum of positive squares in 2 ways, for example, as 43678881 + 1570009 = 6609^2 + 1253^2 .

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

It is not an unprimeable number, because it can be changed into a prime (45248893) 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, 2262435 + ... + 2262454.

Almost surely, 2^45248890 is an apocalyptic number.

45248890 is a deficient number, since it is larger than the sum of its proper divisors (36199130).

45248890 is a wasteful number, since it uses less digits than its factorization.

45248890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524896.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 45248890 is about 6726.7295173806. The cubic root of 45248890 is about 356.3438845613.

The spelling of 45248890 in words is "forty-five million, two hundred forty-eight thousand, eight hundred ninety".