147121532 has 12 divisors (see below), whose sum is σ = 258902280. Its totient is φ = 73149456.

The previous prime is 147121531. The next prime is 147121561. The reversal of 147121532 is 235121741.

147121532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147121531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102023 + ... + 103454.

It is an arithmetic number, because the mean of its divisors is an integer number (21575190).

Almost surely, 2^147121532 is an apocalyptic number.

It is an amenable number.

147121532 is a deficient number, since it is larger than the sum of its proper divisors (111780748).

147121532 is a wasteful number, since it uses less digits than its factorization.

147121532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205660 (or 205658 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 147121532 is about 12129.3665127244. The cubic root of 147121532 is about 527.9086111725.

The spelling of 147121532 in words is "one hundred forty-seven million, one hundred twenty-one thousand, five hundred thirty-two".