144855492 has 48 divisors (see below), whose sum is σ = 343848960. Its totient is φ = 47456928.

The previous prime is 144855439. The next prime is 144855499. The reversal of 144855492 is 294558441.

It is a super-2 number, since 2×144855492² = 41966227125124128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144855499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201109 + ... + 201827.

It is an arithmetic number, because the mean of its divisors is an integer number (7163520).

Almost surely, 2^144855492 is an apocalyptic number.

144855492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144855492 is an abundant number, since it is smaller than the sum of its proper divisors (198993468).

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

144855492 is a wasteful number, since it uses less digits than its factorization.

144855492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 990 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 144855492 is about 12035.5927149435. The cubic root of 144855492 is about 525.1842038426.

The spelling of 144855492 in words is "one hundred forty-four million, eight hundred fifty-five thousand, four hundred ninety-two".