144609885 has 96 divisors (see below), whose sum is σ = 301916160. Its totient is φ = 62640000.

The previous prime is 144609877. The next prime is 144609923. The reversal of 144609885 is 588906441.

144609885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144609885 - 2³ = 144609877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 144609885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 576010 + ... + 576260.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2^144609885 is an apocalyptic number.

144609885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144609885 is an abundant number, since it is smaller than the sum of its proper divisors (157306275).

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

144609885 is a wasteful number, since it uses less digits than its factorization.

144609885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 144609885 is about 12025.3850250210. The cubic root of 144609885 is about 524.8872138670.

The spelling of 144609885 in words is "one hundred forty-four million, six hundred nine thousand, eight hundred eighty-five".