458921745 has 12 divisors (see below), whose sum is σ = 795464436. Its totient is φ = 244758240.

The previous prime is 458921741. The next prime is 458921779. The reversal of 458921745 is 547129854.

458921745 is a `hidden beast` number, since 4 + 589 + 21 + 7 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 107246736 + 351675009 = 10356^2 + 18753^2 .

It is not a de Polignac number, because 458921745 - 2² = 458921741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 10198261 = 458921745 / (4 + 5 + 8 + 9 + 2 + 1 + 7 + 4 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 458921745.

It is not an unprimeable number, because it can be changed into a prime (458921741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5099086 + ... + 5099175.

It is an arithmetic number, because the mean of its divisors is an integer number (66288703).

Almost surely, 2^458921745 is an apocalyptic number.

458921745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

458921745 is a deficient number, since it is larger than the sum of its proper divisors (336542691).

458921745 is a wasteful number, since it uses less digits than its factorization.

458921745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10198272 (or 10198269 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 458921745 is about 21422.4588924801. The cubic root of 458921745 is about 771.3406368757.

The spelling of 458921745 in words is "four hundred fifty-eight million, nine hundred twenty-one thousand, seven hundred forty-five".