147977525 has 12 divisors (see below), whose sum is σ = 185276832. Its totient is φ = 117230640.

The previous prime is 147977513. The next prime is 147977527. The reversal of 147977525 is 525779741.

It is not a de Polignac number, because 147977525 - 2¹⁰ = 147976501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147977525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147977527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26159 + ... + 31308.

It is an arithmetic number, because the mean of its divisors is an integer number (15439736).

Almost surely, 2^147977525 is an apocalyptic number.

It is an amenable number.

147977525 is a deficient number, since it is larger than the sum of its proper divisors (37299307).

147977525 is a wasteful number, since it uses less digits than its factorization.

147977525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57580 (or 57575 counting only the distinct ones).

The product of its digits is 617400, while the sum is 47.

The square root of 147977525 is about 12164.6013087154. The cubic root of 147977525 is about 528.9304704317.

It can be divided in two parts, 14797 and 7525, that added together give a palindrome (22322).

The spelling of 147977525 in words is "one hundred forty-seven million, nine hundred seventy-seven thousand, five hundred twenty-five".