144619428 has 24 divisors (see below), whose sum is σ = 337841280. Its totient is φ = 48149920.

The previous prime is 144619427. The next prime is 144619429. The reversal of 144619428 is 824916441.

It is an interprime number because it is at equal distance from previous prime (144619427) and next prime (144619429).

It is not an unprimeable number, because it can be changed into a prime (144619427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4318 + ... + 17546.

It is an arithmetic number, because the mean of its divisors is an integer number (14076720).

Almost surely, 2^144619428 is an apocalyptic number.

It is an amenable number.

144619428 is an abundant number, since it is smaller than the sum of its proper divisors (193221852).

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

144619428 is a wasteful number, since it uses less digits than its factorization.

144619428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14147 (or 14145 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 144619428 is about 12025.7818041074. The cubic root of 144619428 is about 524.8987596165.

The spelling of 144619428 in words is "one hundred forty-four million, six hundred nineteen thousand, four hundred twenty-eight".