445049451 has 32 divisors (see below), whose sum is σ = 822028800. Its totient is φ = 231193440.

The previous prime is 445049419. The next prime is 445049453. The reversal of 445049451 is 154940544.

It is not a de Polignac number, because 445049451 - 2⁵ = 445049419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445049453) 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, 104956 + ... + 109113.

It is an arithmetic number, because the mean of its divisors is an integer number (25688400).

Almost surely, 2^445049451 is an apocalyptic number.

445049451 is a deficient number, since it is larger than the sum of its proper divisors (376979349).

445049451 is a wasteful number, since it uses less digits than its factorization.

445049451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214096 (or 214090 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 445049451 is about 21096.1951782780. The cubic root of 445049451 is about 763.4889511719.

Adding to 445049451 its reverse (154940544), we get a palindrome (599989995).

The spelling of 445049451 in words is "four hundred forty-five million, forty-nine thousand, four hundred fifty-one".