1045140465 has 16 divisors (see below), whose sum is σ = 1674183168. Its totient is φ = 556755456.

The previous prime is 1045140449. The next prime is 1045140487. The reversal of 1045140465 is 5640415401.

It is not a de Polignac number, because 1045140465 - 2⁴ = 1045140449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27424 + ... + 53313.

It is an arithmetic number, because the mean of its divisors is an integer number (104636448).

Almost surely, 2^1045140465 is an apocalyptic number.

1045140465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045140465 is a deficient number, since it is larger than the sum of its proper divisors (629042703).

1045140465 is an equidigital number, since it uses as much as digits as its factorization.

1045140465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81608.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1045140465 is about 32328.6322785236. The cubic root of 1045140465 is about 1014.8259272611.

Adding to 1045140465 its reverse (5640415401), we get a palindrome (6685555866).

The spelling of 1045140465 in words is "one billion, forty-five million, one hundred forty thousand, four hundred sixty-five".