144047718 has 48 divisors (see below), whose sum is σ = 320027136. Its totient is φ = 46811520.

The previous prime is 144047707. The next prime is 144047723. The reversal of 144047718 is 817740441.

It is a super-2 number, since 2×144047718² = 41499490122015048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138930 + ... + 139962.

It is an arithmetic number, because the mean of its divisors is an integer number (6667232).

Almost surely, 2^144047718 is an apocalyptic number.

144047718 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

144047718 is an abundant number, since it is smaller than the sum of its proper divisors (175979418).

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

144047718 is a wasteful number, since it uses less digits than its factorization.

144047718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229 (or 1226 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 144047718 is about 12001.9880853132. The cubic root of 144047718 is about 524.2061689931.

It can be divided in two parts, 14404 and 7718, that added together give a palindrome (22122).

The spelling of 144047718 in words is "one hundred forty-four million, forty-seven thousand, seven hundred eighteen".