147742538 has 8 divisors (see below), whose sum is σ = 222199680. Its totient is φ = 73675980.

The previous prime is 147742531. The next prime is 147742541. The reversal of 147742538 is 835247741.

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

It is a junction number, because it is equal to n+sod(n) for n = 147742495 and 147742504.

It is not an unprimeable number, because it can be changed into a prime (147742531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96698 + ... + 98213.

It is an arithmetic number, because the mean of its divisors is an integer number (27774960).

Almost surely, 2^147742538 is an apocalyptic number.

147742538 is a deficient number, since it is larger than the sum of its proper divisors (74457142).

147742538 is a wasteful number, since it uses less digits than its factorization.

147742538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195292.

The product of its digits is 188160, while the sum is 41.

The square root of 147742538 is about 12154.9388316026. The cubic root of 147742538 is about 528.6503431309.

The spelling of 147742538 in words is "one hundred forty-seven million, seven hundred forty-two thousand, five hundred thirty-eight".