1045040351 has 4 divisors (see below), whose sum is σ = 1090476912. Its totient is φ = 999603792.

The previous prime is 1045040327. The next prime is 1045040363. The reversal of 1045040351 is 1530405401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1045040351 - 2¹⁰ = 1045039327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 45436537 = 1045040351 / (1 + 0 + 4 + 5 + 0 + 4 + 0 + 3 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045040651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22718246 + ... + 22718291.

It is an arithmetic number, because the mean of its divisors is an integer number (272619228).

Almost surely, 2^1045040351 is an apocalyptic number.

1045040351 is a deficient number, since it is larger than the sum of its proper divisors (45436561).

1045040351 is an equidigital number, since it uses as much as digits as its factorization.

1045040351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45436560.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1045040351 is about 32327.0838616786. The cubic root of 1045040351 is about 1014.7935228362.

Adding to 1045040351 its reverse (1530405401), we get a palindrome (2575445752).

The spelling of 1045040351 in words is "one billion, forty-five million, forty thousand, three hundred fifty-one".