144362780 has 12 divisors (see below), whose sum is σ = 303161880. Its totient is φ = 57745104.

The previous prime is 144362767. The next prime is 144362797. The reversal of 144362780 is 87263441.

It is a super-2 number, since 2×144362780² = 41681224498656800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144362780.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3609050 + ... + 3609089.

It is an arithmetic number, because the mean of its divisors is an integer number (25263490).

Almost surely, 2^144362780 is an apocalyptic number.

144362780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144362780 is an abundant number, since it is smaller than the sum of its proper divisors (158799100).

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

144362780 is a wasteful number, since it uses less digits than its factorization.

144362780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218148 (or 7218146 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 144362780 is about 12015.1063249561. The cubic root of 144362780 is about 524.5880729466.

The spelling of 144362780 in words is "one hundred forty-four million, three hundred sixty-two thousand, seven hundred eighty".