1045451331 has 6 divisors (see below), whose sum is σ = 1510096380. Its totient is φ = 696967548.

The previous prime is 1045451327. The next prime is 1045451359. The reversal of 1045451331 is 1331545401.

It is a happy number.

1045451331 is a `hidden beast` number, since 104 + 545 + 13 + 3 + 1 = 666.

It is not a de Polignac number, because 1045451331 - 2² = 1045451327 is a prime.

It is a super-2 number, since 2×1045451331² = 2185936970979343122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1045451295 and 1045451304.

It is not an unprimeable number, because it can be changed into a prime (1045451371) 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 in 5 ways as a sum of consecutive naturals, for example, 58080621 + ... + 58080638.

It is an arithmetic number, because the mean of its divisors is an integer number (251682730).

Almost surely, 2^1045451331 is an apocalyptic number.

1045451331 is a deficient number, since it is larger than the sum of its proper divisors (464645049).

1045451331 is a wasteful number, since it uses less digits than its factorization.

1045451331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116161265 (or 116161262 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1045451331 is about 32333.4398262851. The cubic root of 1045451331 is about 1014.9265337072.

Adding to 1045451331 its reverse (1331545401), we get a palindrome (2376996732).

The spelling of 1045451331 in words is "one billion, forty-five million, four hundred fifty-one thousand, three hundred thirty-one".