1045642265 has 8 divisors (see below), whose sum is σ = 1256611968. Its totient is φ = 835286320.

The previous prime is 1045642231. The next prime is 1045642319. The reversal of 1045642265 is 5622465401.

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

It is not a de Polignac number, because 1045642265 - 2⁶ = 1045642201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149681 + ... + 156510.

It is an arithmetic number, because the mean of its divisors is an integer number (157076496).

Almost surely, 2^1045642265 is an apocalyptic number.

It is an amenable number.

1045642265 is a deficient number, since it is larger than the sum of its proper divisors (210969703).

1045642265 is an equidigital number, since it uses as much as digits as its factorization.

1045642265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306879.

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

The square root of 1045642265 is about 32336.3922693921. The cubic root of 1045642265 is about 1014.9883163336.

The spelling of 1045642265 in words is "one billion, forty-five million, six hundred forty-two thousand, two hundred sixty-five".