144266772 has 48 divisors (see below), whose sum is σ = 381604160. Its totient is φ = 42052608.

The previous prime is 144266767. The next prime is 144266779. The reversal of 144266772 is 277662441.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 144266772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144266779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21373 + ... + 27300.

Almost surely, 2^144266772 is an apocalyptic number.

144266772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144266772 is an abundant number, since it is smaller than the sum of its proper divisors (237337388).

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

144266772 is a wasteful number, since it uses less digits than its factorization.

144266772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48712 (or 48710 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 144266772 is about 12011.1103566656. The cubic root of 144266772 is about 524.4717552901.

The spelling of 144266772 in words is "one hundred forty-four million, two hundred sixty-six thousand, seven hundred seventy-two".