147505740 has 96 divisors (see below), whose sum is σ = 444165120. Its totient is φ = 36458496.

The previous prime is 147505727. The next prime is 147505751. The reversal of 147505740 is 47505741.

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 31 ways as a sum of consecutive naturals, for example, 52204 + ... + 54956.

It is an arithmetic number, because the mean of its divisors is an integer number (4626720).

Almost surely, 2^147505740 is an apocalyptic number.

147505740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147505740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222082560).

147505740 is an abundant number, since it is smaller than the sum of its proper divisors (296659380).

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

147505740 is a wasteful number, since it uses less digits than its factorization.

147505740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 147505740 is about 12145.1941112524. The cubic root of 147505740 is about 528.3677563067.

Subtracting from 147505740 its reverse (47505741), we obtain a palindrome (99999999).

The spelling of 147505740 in words is "one hundred forty-seven million, five hundred five thousand, seven hundred forty".