147240234 has 32 divisors (see below), whose sum is σ = 344424000. Its totient is φ = 46496592.

The previous prime is 147240217. The next prime is 147240241. The reversal of 147240234 is 432042741.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 147240198 and 147240207.

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 in 15 ways as a sum of consecutive naturals, for example, 70729 + ... + 72780.

It is an arithmetic number, because the mean of its divisors is an integer number (10763250).

Almost surely, 2^147240234 is an apocalyptic number.

147240234 is an abundant number, since it is smaller than the sum of its proper divisors (197183766).

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

147240234 is a wasteful number, since it uses less digits than its factorization.

147240234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143539 (or 143533 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 147240234 is about 12134.2586918196. The cubic root of 147240234 is about 528.0505504288.

Adding to 147240234 its reverse (432042741), we get a palindrome (579282975).

The spelling of 147240234 in words is "one hundred forty-seven million, two hundred forty thousand, two hundred thirty-four".