147240028 has 12 divisors (see below), whose sum is σ = 277490920. Its totient is φ = 67956912.

The previous prime is 147240011. The next prime is 147240029. The reversal of 147240028 is 820042741.

It is a junction number, because it is equal to n+sod(n) for n = 147239978 and 147240005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147240029) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1415718 + ... + 1415821.

Almost surely, 2^147240028 is an apocalyptic number.

It is an amenable number.

147240028 is a deficient number, since it is larger than the sum of its proper divisors (130250892).

147240028 is a wasteful number, since it uses less digits than its factorization.

147240028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831556 (or 2831554 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 147240028 is about 12134.2502034530. The cubic root of 147240028 is about 528.0503041680.

Adding to 147240028 its reverse (820042741), we get a palindrome (967282769).

The spelling of 147240028 in words is "one hundred forty-seven million, two hundred forty thousand, twenty-eight".