144229764 has 96 divisors (see below), whose sum is σ = 394684416. Its totient is φ = 40147200.

The previous prime is 144229753. The next prime is 144229769. The reversal of 144229764 is 467922441.

It is not an unprimeable number, because it can be changed into a prime (144229769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 955089 + ... + 955239.

It is an arithmetic number, because the mean of its divisors is an integer number (4111296).

Almost surely, 2^144229764 is an apocalyptic number.

144229764 is a gapful number since it is divisible by the number (14) 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 144229764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197342208).

144229764 is an abundant number, since it is smaller than the sum of its proper divisors (250454652).

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

144229764 is a wasteful number, since it uses less digits than its factorization.

144229764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 383 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 144229764 is about 12009.5696842143. The cubic root of 144229764 is about 524.4269047899.

The spelling of 144229764 in words is "one hundred forty-four million, two hundred twenty-nine thousand, seven hundred sixty-four".