144151420 has 24 divisors (see below), whose sum is σ = 345963744. Its totient is φ = 49423296.

The previous prime is 144151417. The next prime is 144151429. The reversal of 144151420 is 24151441.

It is a junction number, because it is equal to n+sod(n) for n = 144151391 and 144151400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144151429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514687 + ... + 514966.

It is an arithmetic number, because the mean of its divisors is an integer number (14415156).

Almost surely, 2^144151420 is an apocalyptic number.

144151420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144151420 is an abundant number, since it is smaller than the sum of its proper divisors (201812324).

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

144151420 is a wasteful number, since it uses less digits than its factorization.

144151420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029669 (or 1029667 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 144151420 is about 12006.3075089721. The cubic root of 144151420 is about 524.3319333092.

The spelling of 144151420 in words is "one hundred forty-four million, one hundred fifty-one thousand, four hundred twenty".