144521430 has 16 divisors (see below), whose sum is σ = 346851504. Its totient is φ = 38539040.

The previous prime is 144521401. The next prime is 144521449. The reversal of 144521430 is 34125441.

144521430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144521430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408661 + ... + 2408720.

It is an arithmetic number, because the mean of its divisors is an integer number (21678219).

Almost surely, 2^144521430 is an apocalyptic number.

144521430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144521430 is an abundant number, since it is smaller than the sum of its proper divisors (202330074).

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

144521430 is a wasteful number, since it uses less digits than its factorization.

144521430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4817391.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 144521430 is about 12021.7066176147. The cubic root of 144521430 is about 524.7801710042.

Adding to 144521430 its reverse (34125441), we get a palindrome (178646871).

The spelling of 144521430 in words is "one hundred forty-four million, five hundred twenty-one thousand, four hundred thirty".