144755898 has 48 divisors (see below), whose sum is σ = 337742784. Its totient is φ = 41240640.

The previous prime is 144755893. The next prime is 144755903. The reversal of 144755898 is 898557441.

It is an interprime number because it is at equal distance from previous prime (144755893) and next prime (144755903).

It is a self number, because there is not a number n which added to its sum of digits gives 144755898.

It is not an unprimeable number, because it can be changed into a prime (144755893) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189838 + ... + 190598.

It is an arithmetic number, because the mean of its divisors is an integer number (7036308).

Almost surely, 2^144755898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144755898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168871392).

144755898 is an abundant number, since it is smaller than the sum of its proper divisors (192986886).

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

144755898 is a wasteful number, since it uses less digits than its factorization.

144755898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1420 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 51.

The square root of 144755898 is about 12031.4545255343. The cubic root of 144755898 is about 525.0638144652.

The spelling of 144755898 in words is "one hundred forty-four million, seven hundred fifty-five thousand, eight hundred ninety-eight".