144257808 has 40 divisors (see below), whose sum is σ = 374364928. Its totient is φ = 47866752.

The previous prime is 144257807. The next prime is 144257809. The reversal of 144257808 is 808752441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144257807) and next prime (144257809).

It is not an unprimeable number, because it can be changed into a prime (144257807) 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, 3966 + ... + 17442.

Almost surely, 2^144257808 is an apocalyptic number.

It is an amenable number.

144257808 is an abundant number, since it is smaller than the sum of its proper divisors (230107120).

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

144257808 is a wasteful number, since it uses less digits than its factorization.

144257808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13711 (or 13705 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 144257808 is about 12010.7371963589. The cubic root of 144257808 is about 524.4608924002.

The spelling of 144257808 in words is "one hundred forty-four million, two hundred fifty-seven thousand, eight hundred eight".