144093740 has 48 divisors (see below), whose sum is σ = 346769472. Its totient is φ = 49268736.

The previous prime is 144093737. The next prime is 144093743. The reversal of 144093740 is 47390441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144093737) and next prime (144093743).

It is a junction number, because it is equal to n+sod(n) for n = 144093697 and 144093706.

It is not an unprimeable number, because it can be changed into a prime (144093743) 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, 59432 + ... + 61808.

It is an arithmetic number, because the mean of its divisors is an integer number (7224364).

Almost surely, 2^144093740 is an apocalyptic number.

144093740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144093740 is an abundant number, since it is smaller than the sum of its proper divisors (202675732).

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

144093740 is a wasteful number, since it uses less digits than its factorization.

144093740 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 12096, while the sum is 32.

The square root of 144093740 is about 12003.9051978929. The cubic root of 144093740 is about 524.2619894945.

The spelling of 144093740 in words is "one hundred forty-four million, ninety-three thousand, seven hundred forty".