144137790 has 48 divisors (see below), whose sum is σ = 375350976. Its totient is φ = 38376000.

The previous prime is 144137789. The next prime is 144137809. The reversal of 144137790 is 97731441.

144137790 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110140 + ... + 111440.

It is an arithmetic number, because the mean of its divisors is an integer number (7819812).

Almost surely, 2^144137790 is an apocalyptic number.

144137790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144137790 is an abundant number, since it is smaller than the sum of its proper divisors (231213186).

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

144137790 is a wasteful number, since it uses less digits than its factorization.

144137790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545 (or 2542 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 144137790 is about 12005.7398772421. The cubic root of 144137790 is about 524.3154070076.

The spelling of 144137790 in words is "one hundred forty-four million, one hundred thirty-seven thousand, seven hundred ninety".