147392873 has 8 divisors (see below), whose sum is σ = 156748680. Its totient is φ = 138113280.

The previous prime is 147392857. The next prime is 147392881. The reversal of 147392873 is 378293741.

It can be written as a sum of positive squares in 4 ways, for example, as 118962649 + 28430224 = 10907^2 + 5332^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 147392873 - 2⁴ = 147392857 is a prime.

It is a super-2 number, since 2×147392873² = 43449318022388258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147392803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15038 + ... + 22823.

It is an arithmetic number, because the mean of its divisors is an integer number (19593585).

Almost surely, 2^147392873 is an apocalyptic number.

It is an amenable number.

147392873 is a deficient number, since it is larger than the sum of its proper divisors (9355807).

147392873 is a wasteful number, since it uses less digits than its factorization.

147392873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38107.

The product of its digits is 254016, while the sum is 44.

The square root of 147392873 is about 12140.5466516133. The cubic root of 147392873 is about 528.2329581617.

The spelling of 147392873 in words is "one hundred forty-seven million, three hundred ninety-two thousand, eight hundred seventy-three".