144946142 has 36 divisors (see below), whose sum is σ = 248478048. Its totient is φ = 63300600.

The previous prime is 144946141. The next prime is 144946169. The reversal of 144946142 is 241649441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144946141) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1042709 + ... + 1042847.

It is an arithmetic number, because the mean of its divisors is an integer number (6902168).

Almost surely, 2^144946142 is an apocalyptic number.

144946142 is a deficient number, since it is larger than the sum of its proper divisors (103531906).

144946142 is a wasteful number, since it uses less digits than its factorization.

144946142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 183 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 144946142 is about 12039.3580393641. The cubic root of 144946142 is about 525.2937337378.

The spelling of 144946142 in words is "one hundred forty-four million, nine hundred forty-six thousand, one hundred forty-two".