147987425 has 24 divisors (see below), whose sum is σ = 187740960. Its totient is φ = 115689600.

The previous prime is 147987419. The next prime is 147987439. The reversal of 147987425 is 524789741.

It is not a de Polignac number, because 147987425 - 2⁶ = 147987361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 147987425.

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 23 ways as a sum of consecutive naturals, for example, 238766 + ... + 239384.

It is an arithmetic number, because the mean of its divisors is an integer number (7822540).

Almost surely, 2^147987425 is an apocalyptic number.

It is an amenable number.

147987425 is a deficient number, since it is larger than the sum of its proper divisors (39753535).

147987425 is a wasteful number, since it uses less digits than its factorization.

147987425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 828 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 147987425 is about 12165.0082203014. The cubic root of 147987425 is about 528.9422656798.

The spelling of 147987425 in words is "one hundred forty-seven million, nine hundred eighty-seven thousand, four hundred twenty-five".