144979422 has 32 divisors (see below), whose sum is σ = 332397312. Its totient is φ = 41295744.

The previous prime is 144979399. The next prime is 144979427. The reversal of 144979422 is 224979441.

144979422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144979427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9033 + ... + 19275.

It is an arithmetic number, because the mean of its divisors is an integer number (10387416).

Almost surely, 2^144979422 is an apocalyptic number.

144979422 is an abundant number, since it is smaller than the sum of its proper divisors (187417890).

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

144979422 is a wasteful number, since it uses less digits than its factorization.

144979422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10592.

The product of its digits is 145152, while the sum is 42.

The square root of 144979422 is about 12040.7400935325. The cubic root of 144979422 is about 525.3339335836. Note that the first 3 decimals are identical.

The spelling of 144979422 in words is "one hundred forty-four million, nine hundred seventy-nine thousand, four hundred twenty-two".