45320087 has 2 divisors, whose sum is σ = 45320088. Its totient is φ = 45320086.

The previous prime is 45320071. The next prime is 45320117. The reversal of 45320087 is 78002354.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45320087 - 2⁴ = 45320071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45326087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22660043 + 22660044.

It is an arithmetic number, because the mean of its divisors is an integer number (22660044).

Almost surely, 2^45320087 is an apocalyptic number.

45320087 is a deficient number, since it is larger than the sum of its proper divisors (1).

45320087 is an equidigital number, since it uses as much as digits as its factorization.

45320087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 45320087 is about 6732.0195335427. The cubic root of 45320087 is about 356.5306834027.

The spelling of 45320087 in words is "forty-five million, three hundred twenty thousand, eighty-seven".