451250245 has 16 divisors (see below), whose sum is σ = 555290352. Its totient is φ = 351912960.

The previous prime is 451250207. The next prime is 451250279. The reversal of 451250245 is 542052154.

It can be written as a sum of positive squares in 8 ways, for example, as 90516196 + 360734049 = 9514^2 + 18993^2 .

It is not a de Polignac number, because 451250245 - 2⁷ = 451250117 is a prime.

It is a super-2 number, since 2×451250245² = 407253567225120050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 27919 + ... + 41011.

It is an arithmetic number, because the mean of its divisors is an integer number (34705647).

Almost surely, 2^451250245 is an apocalyptic number.

It is an amenable number.

451250245 is a deficient number, since it is larger than the sum of its proper divisors (104040107).

451250245 is a wasteful number, since it uses less digits than its factorization.

451250245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 451250245 is about 21242.6515529488. The cubic root of 451250245 is about 767.0184610035.

The spelling of 451250245 in words is "four hundred fifty-one million, two hundred fifty thousand, two hundred forty-five".