147442040 has 32 divisors (see below), whose sum is σ = 340714080. Its totient is φ = 57382272.

The previous prime is 147442021. The next prime is 147442049. The reversal of 147442040 is 40244741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147442049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48332 + ... + 51291.

It is an arithmetic number, because the mean of its divisors is an integer number (10647315).

Almost surely, 2^147442040 is an apocalyptic number.

147442040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147442040 is an abundant number, since it is smaller than the sum of its proper divisors (193272040).

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

147442040 is a wasteful number, since it uses less digits than its factorization.

147442040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99671 (or 99667 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 147442040 is about 12142.5713915958. The cubic root of 147442040 is about 528.2916872396.

Adding to 147442040 its reverse (40244741), we get a palindrome (187686781).

The spelling of 147442040 in words is "one hundred forty-seven million, four hundred forty-two thousand, forty".