144263742 has 32 divisors (see below), whose sum is σ = 336480000. Its totient is φ = 41217624.

The previous prime is 144263731. The next prime is 144263747. The reversal of 144263742 is 247362441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144263747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32992 + ... + 37107.

It is an arithmetic number, because the mean of its divisors is an integer number (10515000).

Almost surely, 2^144263742 is an apocalyptic number.

144263742 is an abundant number, since it is smaller than the sum of its proper divisors (192216258).

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

144263742 is an equidigital number, since it uses as much as digits as its factorization.

144263742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70125 (or 70111 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 144263742 is about 12010.9842227854. The cubic root of 144263742 is about 524.4680834801.

The spelling of 144263742 in words is "one hundred forty-four million, two hundred sixty-three thousand, seven hundred forty-two".