144142750 has 32 divisors (see below), whose sum is σ = 277145856. Its totient is φ = 56095200.

The previous prime is 144142741. The next prime is 144142781. The reversal of 144142750 is 57241441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1459 + ... + 17041.

It is an arithmetic number, because the mean of its divisors is an integer number (8660808).

Almost surely, 2^144142750 is an apocalyptic number.

144142750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144142750 is a deficient number, since it is larger than the sum of its proper divisors (133003106).

144142750 is a wasteful number, since it uses less digits than its factorization.

144142750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15637 (or 15627 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 144142750 is about 12005.9464433255. The cubic root of 144142750 is about 524.3214211015.

The spelling of 144142750 in words is "one hundred forty-four million, one hundred forty-two thousand, seven hundred fifty".