147983540 has 24 divisors (see below), whose sum is σ = 311592960. Its totient is φ = 59035808.

The previous prime is 147983531. The next prime is 147983551. The reversal of 147983540 is 45389741.

It is a super-2 number, since 2×147983540² = 43798256221863200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2000 + ... + 17319.

It is an arithmetic number, because the mean of its divisors is an integer number (12983040).

Almost surely, 2^147983540 is an apocalyptic number.

147983540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147983540 is an abundant number, since it is smaller than the sum of its proper divisors (163609420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147983540 is a wasteful number, since it uses less digits than its factorization.

147983540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19711 (or 19709 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 147983540 is about 12164.8485399531. The cubic root of 147983540 is about 528.9376370012.

The spelling of 147983540 in words is "one hundred forty-seven million, nine hundred eighty-three thousand, five hundred forty".