144522492 has 12 divisors (see below), whose sum is σ = 337219176. Its totient is φ = 48174160.

The previous prime is 144522479. The next prime is 144522503. The reversal of 144522492 is 294225441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6021759 + ... + 6021782.

It is an arithmetic number, because the mean of its divisors is an integer number (28101598).

Almost surely, 2^144522492 is an apocalyptic number.

144522492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144522492 is an abundant number, since it is smaller than the sum of its proper divisors (192696684).

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

144522492 is a wasteful number, since it uses less digits than its factorization.

144522492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043548 (or 12043546 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 144522492 is about 12021.7507876349. The cubic root of 144522492 is about 524.7814564310.

The spelling of 144522492 in words is "one hundred forty-four million, five hundred twenty-two thousand, four hundred ninety-two".