147644341 has 4 divisors (see below), whose sum is σ = 159001612. Its totient is φ = 136287072.

The previous prime is 147644311. The next prime is 147644389. The reversal of 147644341 is 143446741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143446741 = 41 ⋅3498701.

It can be written as a sum of positive squares in 2 ways, for example, as 24900100 + 122744241 = 4990^2 + 11079^2 .

It is a cyclic number.

It is not a de Polignac number, because 147644341 - 2¹⁷ = 147513269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147644297 and 147644306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147644311) 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 3 ways as a sum of consecutive naturals, for example, 5678616 + ... + 5678641.

It is an arithmetic number, because the mean of its divisors is an integer number (39750403).

Almost surely, 2^147644341 is an apocalyptic number.

It is an amenable number.

147644341 is a deficient number, since it is larger than the sum of its proper divisors (11357271).

147644341 is a wasteful number, since it uses less digits than its factorization.

147644341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11357270.

The product of its digits is 32256, while the sum is 34.

The square root of 147644341 is about 12150.8987733418. The cubic root of 147644341 is about 528.5331947822.

The spelling of 147644341 in words is "one hundred forty-seven million, six hundred forty-four thousand, three hundred forty-one".