144739107 has 12 divisors (see below), whose sum is σ = 209654640. Its totient is φ = 96221808.

The previous prime is 144739103. The next prime is 144739121. The reversal of 144739107 is 701937441.

It is not a de Polignac number, because 144739107 - 2² = 144739103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144739103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19168 + ... + 25629.

It is an arithmetic number, because the mean of its divisors is an integer number (17471220).

Almost surely, 2^144739107 is an apocalyptic number.

144739107 is a deficient number, since it is larger than the sum of its proper divisors (64915533).

144739107 is a wasteful number, since it uses less digits than its factorization.

144739107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45162 (or 45159 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 144739107 is about 12030.7567093679. The cubic root of 144739107 is about 525.0435120399.

The spelling of 144739107 in words is "one hundred forty-four million, seven hundred thirty-nine thousand, one hundred seven".