445702949 has 2 divisors, whose sum is σ = 445702950. Its totient is φ = 445702948.

The previous prime is 445702919. The next prime is 445702967. The reversal of 445702949 is 949207544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377524900 + 68178049 = 19430^2 + 8257^2 .

It is a cyclic number.

It is not a de Polignac number, because 445702949 - 2²⁴ = 428925733 is a prime.

It is a super-2 number, since 2×445702949² = 397302237494593202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445702919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222851474 + 222851475.

It is an arithmetic number, because the mean of its divisors is an integer number (222851475).

Almost surely, 2^445702949 is an apocalyptic number.

It is an amenable number.

445702949 is a deficient number, since it is larger than the sum of its proper divisors (1).

445702949 is an equidigital number, since it uses as much as digits as its factorization.

445702949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 445702949 is about 21111.6780242595. The cubic root of 445702949 is about 763.8624635921.

The spelling of 445702949 in words is "four hundred forty-five million, seven hundred two thousand, nine hundred forty-nine".