45205082987 has 2 divisors, whose sum is σ = 45205082988. Its totient is φ = 45205082986.

The previous prime is 45205082983. The next prime is 45205082999. The reversal of 45205082987 is 78928050254.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45205082987 - 2² = 45205082983 is a prime.

It is not a weakly prime, because it can be changed into another prime (45205082983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22602541493 + 22602541494.

It is an arithmetic number, because the mean of its divisors is an integer number (22602541494).

Almost surely, 2^45205082987 is an apocalyptic number.

45205082987 is a deficient number, since it is larger than the sum of its proper divisors (1).

45205082987 is an equidigital number, since it uses as much as digits as its factorization.

45205082987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 45205082987 in words is "forty-five billion, two hundred five million, eighty-two thousand, nine hundred eighty-seven".