147144538 has 32 divisors (see below), whose sum is σ = 235952640. Its totient is φ = 68705280.

The previous prime is 147144533. The next prime is 147144539. The reversal of 147144538 is 835441741.

It is a junction number, because it is equal to n+sod(n) for n = 147144497 and 147144506.

It is not an unprimeable number, because it can be changed into a prime (147144533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258318 + ... + 258886.

It is an arithmetic number, because the mean of its divisors is an integer number (7373520).

Almost surely, 2^147144538 is an apocalyptic number.

147144538 is a deficient number, since it is larger than the sum of its proper divisors (88808102).

147144538 is a wasteful number, since it uses less digits than its factorization.

147144538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its digits is 53760, while the sum is 37.

The square root of 147144538 is about 12130.3148351558. The cubic root of 147144538 is about 527.9361268197.

The spelling of 147144538 in words is "one hundred forty-seven million, one hundred forty-four thousand, five hundred thirty-eight".