45255487 has 2 divisors, whose sum is σ = 45255488. Its totient is φ = 45255486.

The previous prime is 45255461. The next prime is 45255493. The reversal of 45255487 is 78455254.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45255487 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 (45255437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22627743 + 22627744.

It is an arithmetic number, because the mean of its divisors is an integer number (22627744).

Almost surely, 2^45255487 is an apocalyptic number.

45255487 is a deficient number, since it is larger than the sum of its proper divisors (1).

45255487 is an equidigital number, since it uses as much as digits as its factorization.

45255487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 224000, while the sum is 40.

The square root of 45255487 is about 6727.2198566718. The cubic root of 45255487 is about 356.3612012761.

The spelling of 45255487 in words is "forty-five million, two hundred fifty-five thousand, four hundred eighty-seven".