101745481 has 4 divisors (see below), whose sum is σ = 102752964. Its totient is φ = 100738000.

The previous prime is 101745451. The next prime is 101745487. The reversal of 101745481 is 184547101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184547101 = 23 ⋅8023787.

It can be written as a sum of positive squares in 2 ways, for example, as 74235456 + 27510025 = 8616^2 + 5245^2 .

It is a cyclic number.

It is not a de Polignac number, because 101745481 - 2²⁵ = 68191049 is a prime.

It is a super-2 number, since 2×101745481² = 20704285807842722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101745487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503590 + ... + 503791.

It is an arithmetic number, because the mean of its divisors is an integer number (25688241).

Almost surely, 2^101745481 is an apocalyptic number.

It is an amenable number.

101745481 is a deficient number, since it is larger than the sum of its proper divisors (1007483).

101745481 is a wasteful number, since it uses less digits than its factorization.

101745481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007482.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 101745481 is about 10086.8964999151. The cubic root of 101745481 is about 466.8439228562.

The spelling of 101745481 in words is "one hundred one million, seven hundred forty-five thousand, four hundred eighty-one".