147540 has 24 divisors (see below), whose sum is σ = 413280. Its totient is φ = 39328.

The previous prime is 147517. The next prime is 147541. The reversal of 147540 is 45741.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147540.

It is not an unprimeable number, because it can be changed into a prime (147541) by changing a digit.

147540 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 1289.

It is an arithmetic number, because the mean of its divisors is an integer number (17220).

2¹⁴⁷⁵⁴⁰ is an apocalyptic number.

147540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147540 is an abundant number, since it is smaller than the sum of its proper divisors (265740).

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

147540 is a wasteful number, since it uses less digits than its factorization.

147540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 147540 is about 384.1093594278. The cubic root of 147540 is about 52.8408659750.

The spelling of 147540 in words is "one hundred forty-seven thousand, five hundred forty".