445987455 has 32 divisors (see below), whose sum is σ = 741182400. Its totient is φ = 228805632.

The previous prime is 445987427. The next prime is 445987459. The reversal of 445987455 is 554789544.

It is not a de Polignac number, because 445987455 - 2¹⁹ = 445463167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445987398 and 445987407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445987459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44881 + ... + 53909.

It is an arithmetic number, because the mean of its divisors is an integer number (23161950).

Almost surely, 2^445987455 is an apocalyptic number.

445987455 is a deficient number, since it is larger than the sum of its proper divisors (295194945).

445987455 is a wasteful number, since it uses less digits than its factorization.

445987455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9163.

The product of its digits is 4032000, while the sum is 51.

The square root of 445987455 is about 21118.4150683710. The cubic root of 445987455 is about 764.0249613794.

The spelling of 445987455 in words is "four hundred forty-five million, nine hundred eighty-seven thousand, four hundred fifty-five".