147443427 has 6 divisors (see below), whose sum is σ = 212973852. Its totient is φ = 98295612.

The previous prime is 147443407. The next prime is 147443449. The reversal of 147443427 is 724344741.

It is a happy number.

It is not a de Polignac number, because 147443427 - 2⁸ = 147443171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147443391 and 147443400.

It is not an unprimeable number, because it can be changed into a prime (147443407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8191293 + ... + 8191310.

It is an arithmetic number, because the mean of its divisors is an integer number (35495642).

Almost surely, 2^147443427 is an apocalyptic number.

147443427 is a deficient number, since it is larger than the sum of its proper divisors (65530425).

147443427 is a wasteful number, since it uses less digits than its factorization.

147443427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16382609 (or 16382606 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 147443427 is about 12142.6285045702. The cubic root of 147443427 is about 528.2933437962.

The spelling of 147443427 in words is "one hundred forty-seven million, four hundred forty-three thousand, four hundred twenty-seven".