144884142 has 48 divisors (see below), whose sum is σ = 348985728. Its totient is φ = 43139520.

The previous prime is 144884059. The next prime is 144884161. The reversal of 144884142 is 241488441.

It is a junction number, because it is equal to n+sod(n) for n = 144884097 and 144884106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2733 + ... + 17240.

It is an arithmetic number, because the mean of its divisors is an integer number (7270536).

Almost surely, 2^144884142 is an apocalyptic number.

144884142 is an abundant number, since it is smaller than the sum of its proper divisors (204101586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144884142 is a wasteful number, since it uses less digits than its factorization.

144884142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20025 (or 20022 counting only the distinct ones).

The product of its digits is 32768, while the sum is 36.

The square root of 144884142 is about 12036.7828758352. The cubic root of 144884142 is about 525.2188257851.

The spelling of 144884142 in words is "one hundred forty-four million, eight hundred eighty-four thousand, one hundred forty-two".