144340749 has 24 divisors (see below), whose sum is σ = 239870592. Its totient is φ = 81928800.

The previous prime is 144340747. The next prime is 144340751. The reversal of 144340749 is 947043441.

144340749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144340747) and next prime (144340751).

It is not a de Polignac number, because 144340749 - 2¹ = 144340747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144340747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1927 + ... + 17099.

It is an arithmetic number, because the mean of its divisors is an integer number (9994608).

Almost surely, 2^144340749 is an apocalyptic number.

It is an amenable number.

144340749 is a deficient number, since it is larger than the sum of its proper divisors (95529843).

144340749 is a wasteful number, since it uses less digits than its factorization.

144340749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15337 (or 15334 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 144340749 is about 12014.1894857706. The cubic root of 144340749 is about 524.5613860407.

The spelling of 144340749 in words is "one hundred forty-four million, three hundred forty thousand, seven hundred forty-nine".