147144040 has 16 divisors (see below), whose sum is σ = 331074180. Its totient is φ = 58857600.

The previous prime is 147144031. The next prime is 147144077. The reversal of 147144040 is 40441741.

It can be written as a sum of positive squares in 2 ways, for example, as 146845924 + 298116 = 12118^2 + 546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 147143996 and 147144014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1839261 + ... + 1839340.

Almost surely, 2^147144040 is an apocalyptic number.

147144040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147144040 is an abundant number, since it is smaller than the sum of its proper divisors (183930140).

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

147144040 is a wasteful number, since it uses less digits than its factorization.

147144040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678612 (or 3678608 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 147144040 is about 12130.2943080537. The cubic root of 147144040 is about 527.9355312318.

Adding to 147144040 its reverse (40441741), we get a palindrome (187585781).

The spelling of 147144040 in words is "one hundred forty-seven million, one hundred forty-four thousand, forty".