45243130 has 8 divisors (see below), whose sum is σ = 81437652. Its totient is φ = 18097248.

The previous prime is 45243127. The next prime is 45243169. The reversal of 45243130 is 3134254.

It can be written as a sum of positive squares in 2 ways, for example, as 45171841 + 71289 = 6721^2 + 267^2 .

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

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, 2262147 + ... + 2262166.

Almost surely, 2^45243130 is an apocalyptic number.

45243130 is a deficient number, since it is larger than the sum of its proper divisors (36194522).

45243130 is a wasteful number, since it uses less digits than its factorization.

45243130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524320.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 45243130 is about 6726.3013610750. The cubic root of 45243130 is about 356.3287635431.

Adding to 45243130 its reverse (3134254), we get a palindrome (48377384).

The spelling of 45243130 in words is "forty-five million, two hundred forty-three thousand, one hundred thirty".