445631051 has 2 divisors, whose sum is σ = 445631052. Its totient is φ = 445631050.

The previous prime is 445630993. The next prime is 445631101. The reversal of 445631051 is 150136544.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445631051 - 2⁶ = 445630987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (445630051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222815525 + 222815526.

It is an arithmetic number, because the mean of its divisors is an integer number (222815526).

Almost surely, 2^445631051 is an apocalyptic number.

445631051 is a deficient number, since it is larger than the sum of its proper divisors (1).

445631051 is an equidigital number, since it uses as much as digits as its factorization.

445631051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 445631051 is about 21109.9751539408. The cubic root of 445631051 is about 763.8213875518.

Adding to 445631051 its reverse (150136544), we get a palindrome (595767595).

The spelling of 445631051 in words is "four hundred forty-five million, six hundred thirty-one thousand, fifty-one".