147272742 has 20 divisors (see below), whose sum is σ = 330000396. Its totient is φ = 49090860.

The previous prime is 147272737. The next prime is 147272747. The reversal of 147272742 is 247272741.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (147272737) and next prime (147272747).

It is a junction number, because it is equal to n+sod(n) for n = 147272697 and 147272706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147272747) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 454384 + ... + 454707.

Almost surely, 2^147272742 is an apocalyptic number.

147272742 is an abundant number, since it is smaller than the sum of its proper divisors (182727654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147272742 is an equidigital number, since it uses as much as digits as its factorization.

147272742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909105 (or 909096 counting only the distinct ones).

The product of its digits is 43904, while the sum is 36.

The square root of 147272742 is about 12135.5981311182. The cubic root of 147272742 is about 528.0894089293.

Subtracting 147272742 from its reverse (247272741), we obtain a palindrome (99999999).

The spelling of 147272742 in words is "one hundred forty-seven million, two hundred seventy-two thousand, seven hundred forty-two".