1745138011 has 4 divisors (see below), whose sum is σ = 1836987400. Its totient is φ = 1653288624.

The previous prime is 1745137993. The next prime is 1745138023. The reversal of 1745138011 is 1108315471.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1108315471 = 20681 ⋅53591.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1745138011 is a prime.

It is a super-2 number, since 2×1745138011² = 6091013354874072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1745138051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45924666 + ... + 45924703.

It is an arithmetic number, because the mean of its divisors is an integer number (459246850).

Almost surely, 2^1745138011 is an apocalyptic number.

1745138011 is a deficient number, since it is larger than the sum of its proper divisors (91849389).

1745138011 is an equidigital number, since it uses as much as digits as its factorization.

1745138011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91849388.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 1745138011 is about 41774.8490242634. The cubic root of 1745138011 is about 1203.9540888499.

The spelling of 1745138011 in words is "one billion, seven hundred forty-five million, one hundred thirty-eight thousand, eleven".