147440101 has 4 divisors (see below), whose sum is σ = 147498732. Its totient is φ = 147381472.

The previous prime is 147440093. The next prime is 147440131. The reversal of 147440101 is 101044741.

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: 101044741 = 7 ⋅14434963.

It can be written as a sum of positive squares in 2 ways, for example, as 40627876 + 106812225 = 6374^2 + 10335^2 .

It is a cyclic number.

It is not a de Polignac number, because 147440101 - 2³ = 147440093 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 (147440131) 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, 25366 + ... + 30631.

It is an arithmetic number, because the mean of its divisors is an integer number (36874683).

Almost surely, 2^147440101 is an apocalyptic number.

It is an amenable number.

147440101 is a deficient number, since it is larger than the sum of its proper divisors (58631).

147440101 is an equidigital number, since it uses as much as digits as its factorization.

147440101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58630.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 147440101 is about 12142.4915482779. The cubic root of 147440101 is about 528.2893713870.

Adding to 147440101 its reverse (101044741), we get a palindrome (248484842).

The spelling of 147440101 in words is "one hundred forty-seven million, four hundred forty thousand, one hundred one".