144752642 has 8 divisors (see below), whose sum is σ = 218786832. Its totient is φ = 71823700.

The previous prime is 144752633. The next prime is 144752651. The reversal of 144752642 is 246257441.

It is a happy number.

144752642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144752633) and next prime (144752651).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275984 + ... + 276507.

It is an arithmetic number, because the mean of its divisors is an integer number (27348354).

Almost surely, 2^144752642 is an apocalyptic number.

144752642 is a deficient number, since it is larger than the sum of its proper divisors (74034190).

144752642 is a wasteful number, since it uses less digits than its factorization.

144752642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552624.

The product of its digits is 53760, while the sum is 35.

The square root of 144752642 is about 12031.3192127879. The cubic root of 144752642 is about 525.0598776754.

The spelling of 144752642 in words is "one hundred forty-four million, seven hundred fifty-two thousand, six hundred forty-two".