45431301530 has 8 divisors (see below), whose sum is σ = 81776342772. Its totient is φ = 18172520608.

The previous prime is 45431301511. The next prime is 45431301541. The reversal of 45431301530 is 3510313454.

It can be written as a sum of positive squares in 2 ways, for example, as 45261286009 + 170015521 = 212747^2 + 13039^2 .

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 = 45431301493 and 45431301502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2271565067 + ... + 2271565086.

Almost surely, 2^45431301530 is an apocalyptic number.

45431301530 is a deficient number, since it is larger than the sum of its proper divisors (36345041242).

45431301530 is a wasteful number, since it uses less digits than its factorization.

45431301530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543130160.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 45431301530 its reverse (3510313454), we get a palindrome (48941614984).

The spelling of 45431301530 in words is "forty-five billion, four hundred thirty-one million, three hundred one thousand, five hundred thirty".