2045245451 has 2 divisors, whose sum is σ = 2045245452. Its totient is φ = 2045245450.

The previous prime is 2045245439. The next prime is 2045245483. The reversal of 2045245451 is 1545425402.

It is an a-pointer prime, because the next prime (2045245483) can be obtained adding 2045245451 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2045245451 - 2¹⁰ = 2045244427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2045245151) 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, 1022622725 + 1022622726.

It is an arithmetic number, because the mean of its divisors is an integer number (1022622726).

Almost surely, 2^2045245451 is an apocalyptic number.

2045245451 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045245451 is an equidigital number, since it uses as much as digits as its factorization.

2045245451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 2045245451 is about 45224.3900014141. The cubic root of 2045245451 is about 1269.3512405577.

The spelling of 2045245451 in words is "two billion, forty-five million, two hundred forty-five thousand, four hundred fifty-one".