144398790 has 96 divisors (see below), whose sum is σ = 390252096. Its totient is φ = 37013760.

The previous prime is 144398789. The next prime is 144398809. The reversal of 144398790 is 97893441.

144398790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342780 + ... + 343200.

It is an arithmetic number, because the mean of its divisors is an integer number (4065126).

Almost surely, 2^144398790 is an apocalyptic number.

144398790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144398790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195126048).

144398790 is an abundant number, since it is smaller than the sum of its proper divisors (245853306).

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

144398790 is a wasteful number, since it uses less digits than its factorization.

144398790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 144398790 is about 12016.6047617453. The cubic root of 144398790 is about 524.6316872495.

The spelling of 144398790 in words is "one hundred forty-four million, three hundred ninety-eight thousand, seven hundred ninety".