144622024 has 8 divisors (see below), whose sum is σ = 271166310. Its totient is φ = 72311008.

The previous prime is 144622019. The next prime is 144622069. The reversal of 144622024 is 420226441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 144240100 + 381924 = 12010^2 + 618^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 144622024.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9038869 + ... + 9038884.

Almost surely, 2^144622024 is an apocalyptic number.

It is an amenable number.

144622024 is a deficient number, since it is larger than the sum of its proper divisors (126544286).

144622024 is a wasteful number, since it uses less digits than its factorization.

144622024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18077759 (or 18077755 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 144622024 is about 12025.8897383936. The cubic root of 144622024 is about 524.9019003403.

Adding to 144622024 its reverse (420226441), we get a palindrome (564848465).

The spelling of 144622024 in words is "one hundred forty-four million, six hundred twenty-two thousand, twenty-four".