101445493 has 8 divisors (see below), whose sum is σ = 102907800. Its totient is φ = 99990528.

The previous prime is 101445457. The next prime is 101445499. The reversal of 101445493 is 394544101.

It can be written as a sum of positive squares in 4 ways, for example, as 603729 + 100841764 = 777^2 + 10042^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101445493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101445499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29803 + ... + 33031.

It is an arithmetic number, because the mean of its divisors is an integer number (12863475).

Almost surely, 2^101445493 is an apocalyptic number.

It is an amenable number.

101445493 is a deficient number, since it is larger than the sum of its proper divisors (1462307).

101445493 is an equidigital number, since it uses as much as digits as its factorization.

101445493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 101445493 is about 10072.0153395435. The cubic root of 101445493 is about 466.3846544977.

Adding to 101445493 its reverse (394544101), we get a palindrome (495989594).

The spelling of 101445493 in words is "one hundred one million, four hundred forty-five thousand, four hundred ninety-three".