45448330 has 8 divisors (see below), whose sum is σ = 81807012. Its totient is φ = 18179328.

The previous prime is 45448309. The next prime is 45448331. The reversal of 45448330 is 3384454.

It can be written as a sum of positive squares in 2 ways, for example, as 44262409 + 1185921 = 6653^2 + 1089^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 45448292 and 45448301.

It is not an unprimeable number, because it can be changed into a prime (45448331) 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, 2272407 + ... + 2272426.

Almost surely, 2^45448330 is an apocalyptic number.

45448330 is a deficient number, since it is larger than the sum of its proper divisors (36358682).

45448330 is a wasteful number, since it uses less digits than its factorization.

45448330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544840.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 45448330 is about 6741.5376584278. The cubic root of 45448330 is about 356.8666602865.

It can be divided in two parts, 454 and 48330, that added together give a palindrome (48784).

The spelling of 45448330 in words is "forty-five million, four hundred forty-eight thousand, three hundred thirty".