147642232 has 16 divisors (see below), whose sum is σ = 277811640. Its totient is φ = 73559136.

The previous prime is 147642211. The next prime is 147642233. The reversal of 147642232 is 232246741.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 147642194 and 147642203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147642233) 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, 30343 + ... + 34870.

Almost surely, 2^147642232 is an apocalyptic number.

It is an amenable number.

147642232 is a deficient number, since it is larger than the sum of its proper divisors (130169408).

147642232 is a wasteful number, since it uses less digits than its factorization.

147642232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65502 (or 65498 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 147642232 is about 12150.8119893281. The cubic root of 147642232 is about 528.5306781899.

Adding to 147642232 its reverse (232246741), we get a palindrome (379888973).

The spelling of 147642232 in words is "one hundred forty-seven million, six hundred forty-two thousand, two hundred thirty-two".