45451130 has 8 divisors (see below), whose sum is σ = 81812052. Its totient is φ = 18180448.

The previous prime is 45451127. The next prime is 45451163. The reversal of 45451130 is 3115454.

It can be written as a sum of positive squares in 2 ways, for example, as 36372961 + 9078169 = 6031^2 + 3013^2 .

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 = 45451096 and 45451105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272547 + ... + 2272566.

Almost surely, 2^45451130 is an apocalyptic number.

45451130 is a deficient number, since it is larger than the sum of its proper divisors (36360922).

45451130 is a wasteful number, since it uses less digits than its factorization.

45451130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545120.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 45451130 is about 6741.7453229857. The cubic root of 45451130 is about 356.8739888002.

Adding to 45451130 its reverse (3115454), we get a palindrome (48566584).

The spelling of 45451130 in words is "forty-five million, four hundred fifty-one thousand, one hundred thirty".