1045622465 has 4 divisors (see below), whose sum is σ = 1254746964. Its totient is φ = 836497968.

The previous prime is 1045622441. The next prime is 1045622471. The reversal of 1045622465 is 5642265401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5642265401 = 23 ⋅245315887.

It can be written as a sum of positive squares in 2 ways, for example, as 253987969 + 791634496 = 15937^2 + 28136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045622465 - 2⁸ = 1045622209 is a prime.

It is a Duffinian number.

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, 104562242 + ... + 104562251.

It is an arithmetic number, because the mean of its divisors is an integer number (313686741).

Almost surely, 2^1045622465 is an apocalyptic number.

It is an amenable number.

1045622465 is a deficient number, since it is larger than the sum of its proper divisors (209124499).

1045622465 is an equidigital number, since it uses as much as digits as its factorization.

1045622465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209124498.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1045622465 is about 32336.0861113401. The cubic root of 1045622465 is about 1014.9819097781.

Adding to 1045622465 its reverse (5642265401), we get a palindrome (6687887866).

The spelling of 1045622465 in words is "one billion, forty-five million, six hundred twenty-two thousand, four hundred sixty-five".