1051046345 has 4 divisors (see below), whose sum is σ = 1261255620. Its totient is φ = 840837072.

The previous prime is 1051046329. The next prime is 1051046363. The reversal of 1051046345 is 5436401501.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 457831609 + 593214736 = 21397^2 + 24356^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051046345 - 2⁴ = 1051046329 is a prime.

It is a super-2 number, since 2×1051046345² = 2209396838675718050, which contains 22 as substring.

It is an unprimeable number.

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, 105104630 + ... + 105104639.

It is an arithmetic number, because the mean of its divisors is an integer number (315313905).

Almost surely, 2^1051046345 is an apocalyptic number.

It is an amenable number.

1051046345 is a deficient number, since it is larger than the sum of its proper divisors (210209275).

1051046345 is an equidigital number, since it uses as much as digits as its factorization.

1051046345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210209274.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1051046345 is about 32419.8449256007. The cubic root of 1051046345 is about 1016.7338641720.

Adding to 1051046345 its reverse (5436401501), we get a palindrome (6487447846).

The spelling of 1051046345 in words is "one billion, fifty-one million, forty-six thousand, three hundred forty-five".