144704892 has 24 divisors (see below), whose sum is σ = 338236416. Its totient is φ = 48150448.

The previous prime is 144704881. The next prime is 144704897. The reversal of 144704892 is 298407441.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 144704892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144704897) 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, 3228 + ... + 17315.

It is an arithmetic number, because the mean of its divisors is an integer number (14093184).

Almost surely, 2^144704892 is an apocalyptic number.

144704892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144704892 is an abundant number, since it is smaller than the sum of its proper divisors (193531524).

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

144704892 is a wasteful number, since it uses less digits than its factorization.

144704892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21137 (or 21135 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 144704892 is about 12029.3346449419. The cubic root of 144704892 is about 525.0021369528.

The spelling of 144704892 in words is "one hundred forty-four million, seven hundred four thousand, eight hundred ninety-two".