144120460 has 48 divisors (see below), whose sum is σ = 331581600. Its totient is φ = 52183040.

The previous prime is 144120451. The next prime is 144120467. The reversal of 144120460 is 64021441.

It is a super-2 number, since 2×144120460² = 41541413981223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (144120467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55266 + ... + 57814.

It is an arithmetic number, because the mean of its divisors is an integer number (6907950).

Almost surely, 2^144120460 is an apocalyptic number.

144120460 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 144120460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165790800).

144120460 is an abundant number, since it is smaller than the sum of its proper divisors (187461140).

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

144120460 is a wasteful number, since it uses less digits than its factorization.

144120460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826 (or 2824 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 144120460 is about 12005.0181174374. The cubic root of 144120460 is about 524.2943929715.

The spelling of 144120460 in words is "one hundred forty-four million, one hundred twenty thousand, four hundred sixty".