144637423 has 16 divisors (see below), whose sum is σ = 170410240. Its totient is φ = 120185856.

The previous prime is 144637421. The next prime is 144637433. The reversal of 144637423 is 324736441.

It is not a de Polignac number, because 144637423 - 2¹ = 144637421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144637421) 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, 40111 + ... + 43567.

It is an arithmetic number, because the mean of its divisors is an integer number (10650640).

Almost surely, 2^144637423 is an apocalyptic number.

144637423 is a deficient number, since it is larger than the sum of its proper divisors (25772817).

144637423 is a wasteful number, since it uses less digits than its factorization.

144637423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646.

The product of its digits is 48384, while the sum is 34.

The square root of 144637423 is about 12026.5299650398. The cubic root of 144637423 is about 524.9205297700.

The spelling of 144637423 in words is "one hundred forty-four million, six hundred thirty-seven thousand, four hundred twenty-three".