45123450451 has 2 divisors, whose sum is σ = 45123450452. Its totient is φ = 45123450450.

The previous prime is 45123450419. The next prime is 45123450509. The reversal of 45123450451 is 15405432154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45123450451 - 2⁵ = 45123450419 is a prime.

It is a super-2 number, since 2×45123450451² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45123453451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22561725225 + 22561725226.

It is an arithmetic number, because the mean of its divisors is an integer number (22561725226).

Almost surely, 2^45123450451 is an apocalyptic number.

45123450451 is a deficient number, since it is larger than the sum of its proper divisors (1).

45123450451 is an equidigital number, since it uses as much as digits as its factorization.

45123450451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 45123450451 in words is "forty-five billion, one hundred twenty-three million, four hundred fifty thousand, four hundred fifty-one".