144040042 has 16 divisors (see below), whose sum is σ = 224467200. Its totient is φ = 69238960.

The previous prime is 144040037. The next prime is 144040051. The reversal of 144040042 is 240040441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8667 + ... + 19057.

It is an arithmetic number, because the mean of its divisors is an integer number (14029200).

Almost surely, 2^144040042 is an apocalyptic number.

144040042 is a deficient number, since it is larger than the sum of its proper divisors (80427158).

144040042 is a wasteful number, since it uses less digits than its factorization.

144040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 144040042 is about 12001.6683006989. The cubic root of 144040042 is about 524.1968575462.

Adding to 144040042 its reverse (240040441), we get a palindrome (384080483).

The spelling of 144040042 in words is "one hundred forty-four million, forty thousand, forty-two".