144290838 has 8 divisors (see below), whose sum is σ = 288581688. Its totient is φ = 48096944.

The previous prime is 144290837. The next prime is 144290897. The reversal of 144290838 is 838092441.

It is a sphenic number, since it is the product of 3 distinct primes.

144290838 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 144290796 and 144290805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144290831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12024231 + ... + 12024242.

It is an arithmetic number, because the mean of its divisors is an integer number (36072711).

Almost surely, 2^144290838 is an apocalyptic number.

144290838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144290838 is a wasteful number, since it uses less digits than its factorization.

144290838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24048478.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 144290838 is about 12012.1121373387. The cubic root of 144290838 is about 524.5009170883.

The spelling of 144290838 in words is "one hundred forty-four million, two hundred ninety thousand, eight hundred thirty-eight".