153440140 has 48 divisors (see below), whose sum is σ = 371734272. Its totient is φ = 52111296.

The previous prime is 153440093. The next prime is 153440167. The reversal of 153440140 is 41044351.

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 15 ways as a sum of consecutive naturals, for example, 9859 + ... + 20101.

It is an arithmetic number, because the mean of its divisors is an integer number (7744464).

Almost surely, 2^153440140 is an apocalyptic number.

153440140 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 153440140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185867136).

153440140 is an abundant number, since it is smaller than the sum of its proper divisors (218294132).

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

153440140 is a wasteful number, since it uses less digits than its factorization.

153440140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366 (or 10364 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 153440140 is about 12387.0957048051. The cubic root of 153440140 is about 535.3605046863.

Adding to 153440140 its reverse (41044351), we get a palindrome (194484491).

The spelling of 153440140 in words is "one hundred fifty-three million, four hundred forty thousand, one hundred forty".