1451243245 has 8 divisors (see below), whose sum is σ = 1758735000. Its totient is φ = 1149499200.

The previous prime is 1451243243. The next prime is 1451243273. The reversal of 1451243245 is 5423421541.

It can be written as a sum of positive squares in 4 ways, for example, as 139499721 + 1311743524 = 11811^2 + 36218^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1451243245 - 2¹ = 1451243243 is a prime.

It is a super-2 number, since 2×1451243245² = 4212213912316260050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451243243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436370 + ... + 1437379.

It is an arithmetic number, because the mean of its divisors is an integer number (219841875).

Almost surely, 2^1451243245 is an apocalyptic number.

It is an amenable number.

1451243245 is a deficient number, since it is larger than the sum of its proper divisors (307491755).

1451243245 is a wasteful number, since it uses less digits than its factorization.

1451243245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873855.

The product of its digits is 19200, while the sum is 31.

The square root of 1451243245 is about 38095.1866382093. The cubic root of 1451243245 is about 1132.1745905280.

Adding to 1451243245 its reverse (5423421541), we get a palindrome (6874664786).

The spelling of 1451243245 in words is "one billion, four hundred fifty-one million, two hundred forty-three thousand, two hundred forty-five".