153442543220 has 96 divisors (see below), whose sum is σ = 340521148800. Its totient is φ = 57997474304.

The previous prime is 153442543217. The next prime is 153442543279. The reversal of 153442543220 is 22345244351.

It is a happy number.

It is a super-2 number, since 2×153442543220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5136086 + ... + 5165874.

It is an arithmetic number, because the mean of its divisors is an integer number (3547095300).

Almost surely, 2^153442543220 is an apocalyptic number.

153442543220 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 153442543220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170260574400).

153442543220 is an abundant number, since it is smaller than the sum of its proper divisors (187078605580).

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

153442543220 is a wasteful number, since it uses less digits than its factorization.

153442543220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30017 (or 30015 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 153442543220 its reverse (22345244351), we get a palindrome (175787787571).

The spelling of 153442543220 in words is "one hundred fifty-three billion, four hundred forty-two million, five hundred forty-three thousand, two hundred twenty".