144105780 has 96 divisors (see below), whose sum is σ = 496629504. Its totient is φ = 30403584.

The previous prime is 144105769. The next prime is 144105791. The reversal of 144105780 is 87501441.

It is an interprime number because it is at equal distance from previous prime (144105769) and next prime (144105791).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 7737 + ... + 18656.

It is an arithmetic number, because the mean of its divisors is an integer number (5173224).

Almost surely, 2^144105780 is an apocalyptic number.

144105780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144105780 is an abundant number, since it is smaller than the sum of its proper divisors (352523724).

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

144105780 is a wasteful number, since it uses less digits than its factorization.

144105780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26425 (or 26423 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 144105780 is about 12004.4066908781. The cubic root of 144105780 is about 524.2765909582.

The spelling of 144105780 in words is "one hundred forty-four million, one hundred five thousand, seven hundred eighty".