45215977451 has 2 divisors, whose sum is σ = 45215977452. Its totient is φ = 45215977450.

The previous prime is 45215977369. The next prime is 45215977459. The reversal of 45215977451 is 15477951254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45215977451 - 2¹⁴ = 45215961067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45215977451.

It is not a weakly prime, because it can be changed into another prime (45215977459) by changing a digit.

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 as a sum of consecutive naturals, namely, 22607988725 + 22607988726.

It is an arithmetic number, because the mean of its divisors is an integer number (22607988726).

Almost surely, 2^45215977451 is an apocalyptic number.

45215977451 is a deficient number, since it is larger than the sum of its proper divisors (1).

45215977451 is an equidigital number, since it uses as much as digits as its factorization.

45215977451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764000, while the sum is 50.

The spelling of 45215977451 in words is "forty-five billion, two hundred fifteen million, nine hundred seventy-seven thousand, four hundred fifty-one".