147989522 has 16 divisors (see below), whose sum is σ = 235278432. Its totient is φ = 69572160.

The previous prime is 147989509. The next prime is 147989549. The reversal of 147989522 is 225989741.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50633 + ... + 53475.

It is an arithmetic number, because the mean of its divisors is an integer number (14704902).

Almost surely, 2^147989522 is an apocalyptic number.

147989522 is a deficient number, since it is larger than the sum of its proper divisors (87288910).

147989522 is a wasteful number, since it uses less digits than its factorization.

147989522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393.

The product of its digits is 362880, while the sum is 47.

The square root of 147989522 is about 12165.0944098268. The cubic root of 147989522 is about 528.9447640603.

The spelling of 147989522 in words is "one hundred forty-seven million, nine hundred eighty-nine thousand, five hundred twenty-two".