147113257 has 16 divisors (see below), whose sum is σ = 164453760. Its totient is φ = 130781952.

The previous prime is 147113251. The next prime is 147113261. The reversal of 147113257 is 752311741.

It is not a de Polignac number, because 147113257 - 2¹⁹ = 146588969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147113251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197628 + ... + 198370.

It is an arithmetic number, because the mean of its divisors is an integer number (10278360).

Almost surely, 2^147113257 is an apocalyptic number.

147113257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

147113257 is a deficient number, since it is larger than the sum of its proper divisors (17340503).

147113257 is a wasteful number, since it uses less digits than its factorization.

147113257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392.

The product of its digits is 5880, while the sum is 31.

The square root of 147113257 is about 12129.0253936580. The cubic root of 147113257 is about 527.8987134016.

Adding to 147113257 its reverse (752311741), we get a palindrome (899424998).

The spelling of 147113257 in words is "one hundred forty-seven million, one hundred thirteen thousand, two hundred fifty-seven".