144197340 has 48 divisors (see below), whose sum is σ = 461432832. Its totient is φ = 32959296.

The previous prime is 144197293. The next prime is 144197353. The reversal of 144197340 is 43791441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171244 + ... + 172083.

It is an arithmetic number, because the mean of its divisors is an integer number (9613184).

Almost surely, 2^144197340 is an apocalyptic number.

144197340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144197340 is an abundant number, since it is smaller than the sum of its proper divisors (317235492).

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

144197340 is a wasteful number, since it uses less digits than its factorization.

144197340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343346 (or 343344 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 144197340 is about 12008.2196848659. The cubic root of 144197340 is about 524.3876033960.

The spelling of 144197340 in words is "one hundred forty-four million, one hundred ninety-seven thousand, three hundred forty".