45451322 has 24 divisors (see below), whose sum is σ = 79781760. Its totient is φ = 19362840.

The previous prime is 45451309. The next prime is 45451327. The reversal of 45451322 is 22315454.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45451291 and 45451300.

It is not an unprimeable number, because it can be changed into a prime (45451327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16247 + ... + 18837.

It is an arithmetic number, because the mean of its divisors is an integer number (3324240).

Almost surely, 2^45451322 is an apocalyptic number.

45451322 is a deficient number, since it is larger than the sum of its proper divisors (34330438).

45451322 is a wasteful number, since it uses less digits than its factorization.

45451322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786 (or 2779 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 45451322 is about 6741.7595626068. The cubic root of 45451322 is about 356.8744913158.

Adding to 45451322 its reverse (22315454), we get a palindrome (67766776).

The spelling of 45451322 in words is "forty-five million, four hundred fifty-one thousand, three hundred twenty-two".