147271745 has 4 divisors (see below), whose sum is σ = 176726100. Its totient is φ = 117817392.

The previous prime is 147271723. The next prime is 147271763. The reversal of 147271745 is 547172741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96904336 + 50367409 = 9844^2 + 7097^2 .

It is a cyclic number.

It is not a de Polignac number, because 147271745 - 2⁶ = 147271681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147271699 and 147271708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14727170 + ... + 14727179.

It is an arithmetic number, because the mean of its divisors is an integer number (44181525).

Almost surely, 2^147271745 is an apocalyptic number.

It is an amenable number.

147271745 is a deficient number, since it is larger than the sum of its proper divisors (29454355).

147271745 is an equidigital number, since it uses as much as digits as its factorization.

147271745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29454354.

The product of its digits is 54880, while the sum is 38.

The square root of 147271745 is about 12135.5570535514. The cubic root of 147271745 is about 528.0882172485.

The spelling of 147271745 in words is "one hundred forty-seven million, two hundred seventy-one thousand, seven hundred forty-five".