45919450 has 12 divisors (see below), whose sum is σ = 85410270. Its totient is φ = 18367760.

The previous prime is 45919439. The next prime is 45919453. The reversal of 45919450 is 5491954.

It can be written as a sum of positive squares in 3 ways, for example, as 44635761 + 1283689 = 6681^2 + 1133^2 .

It is not an unprimeable number, because it can be changed into a prime (45919453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459145 + ... + 459244.

Almost surely, 2^45919450 is an apocalyptic number.

45919450 is a deficient number, since it is larger than the sum of its proper divisors (39490820).

45919450 is a wasteful number, since it uses less digits than its factorization.

45919450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918401 (or 918396 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 45919450 is about 6776.3891564756. The cubic root of 45919450 is about 358.0955239617.

It can be divided in two parts, 4591 and 9450, that added together give a palindrome (14041).

The spelling of 45919450 in words is "forty-five million, nine hundred nineteen thousand, four hundred fifty".