144330740 has 12 divisors (see below), whose sum is σ = 303094596. Its totient is φ = 57732288.

The previous prime is 144330737. The next prime is 144330763. The reversal of 144330740 is 47033441.

It can be written as a sum of positive squares in 2 ways, for example, as 19695844 + 124634896 = 4438^2 + 11164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3608249 + ... + 3608288.

It is an arithmetic number, because the mean of its divisors is an integer number (25257883).

Almost surely, 2^144330740 is an apocalyptic number.

144330740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144330740 is an abundant number, since it is smaller than the sum of its proper divisors (158763856).

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

144330740 is a wasteful number, since it uses less digits than its factorization.

144330740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216546 (or 7216544 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 144330740 is about 12013.7729294340. The cubic root of 144330740 is about 524.5492608986.

The spelling of 144330740 in words is "one hundred forty-four million, three hundred thirty thousand, seven hundred forty".