1745138465 has 16 divisors (see below), whose sum is σ = 2427045120. Its totient is φ = 1179810240.

The previous prime is 1745138443. The next prime is 1745138471. The reversal of 1745138465 is 5648315471.

It is not a de Polignac number, because 1745138465 - 2⁸ = 1745138209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348650 + ... + 353619.

It is an arithmetic number, because the mean of its divisors is an integer number (151690320).

Almost surely, 2^1745138465 is an apocalyptic number.

It is an amenable number.

1745138465 is a deficient number, since it is larger than the sum of its proper divisors (681906655).

1745138465 is an equidigital number, since it uses as much as digits as its factorization.

1745138465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702352.

The product of its digits is 403200, while the sum is 44.

The square root of 1745138465 is about 41774.8544581546. The cubic root of 1745138465 is about 1203.9541932533.

The spelling of 1745138465 in words is "one billion, seven hundred forty-five million, one hundred thirty-eight thousand, four hundred sixty-five".