144142042 has 16 divisors (see below), whose sum is σ = 237287232. Its totient is φ = 65125120.

The previous prime is 144142039. The next prime is 144142067. The reversal of 144142042 is 240241441.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 15943 + ... + 23290.

It is an arithmetic number, because the mean of its divisors is an integer number (14830452).

Almost surely, 2^144142042 is an apocalyptic number.

144142042 is a deficient number, since it is larger than the sum of its proper divisors (93145190).

144142042 is a wasteful number, since it uses less digits than its factorization.

144142042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39413.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 144142042 is about 12005.9169579004. The cubic root of 144142042 is about 524.3205626465.

Adding to 144142042 its reverse (240241441), we get a palindrome (384383483).

The spelling of 144142042 in words is "one hundred forty-four million, one hundred forty-two thousand, forty-two".