144175415420 has 24 divisors (see below), whose sum is σ = 302832540864. Its totient is φ = 57657943616.

The previous prime is 144175415407. The next prime is 144175415441. The reversal of 144175415420 is 24514571441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666884 + ... + 856203.

It is an arithmetic number, because the mean of its divisors is an integer number (12618022536).

Almost surely, 2^144175415420 is an apocalyptic number.

144175415420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144175415420 is an abundant number, since it is smaller than the sum of its proper divisors (158657125444).

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

144175415420 is a wasteful number, since it uses less digits than its factorization.

144175415420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527829 (or 1527827 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

Adding to 144175415420 its reverse (24514571441), we get a palindrome (168689986861).

The spelling of 144175415420 in words is "one hundred forty-four billion, one hundred seventy-five million, four hundred fifteen thousand, four hundred twenty".