147372842 has 4 divisors (see below), whose sum is σ = 221059266. Its totient is φ = 73686420.

The previous prime is 147372821. The next prime is 147372859. The reversal of 147372842 is 248273741.

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

It can be written as a sum of positive squares in only one way, i.e., 146870161 + 502681 = 12119^2 + 709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 147372796 and 147372805.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 36843209 + ... + 36843212.

Almost surely, 2^147372842 is an apocalyptic number.

147372842 is a deficient number, since it is larger than the sum of its proper divisors (73686424).

147372842 is an equidigital number, since it uses as much as digits as its factorization.

147372842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73686423.

The product of its digits is 75264, while the sum is 38.

The square root of 147372842 is about 12139.7216607301. The cubic root of 147372842 is about 528.2090277560.

The spelling of 147372842 in words is "one hundred forty-seven million, three hundred seventy-two thousand, eight hundred forty-two".