144641995 has 16 divisors (see below), whose sum is σ = 180185760. Its totient is φ = 111331584.

The previous prime is 144641993. The next prime is 144642023. The reversal of 144641995 is 599146441.

It is a cyclic number.

It is not a de Polignac number, because 144641995 - 2¹ = 144641993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144641993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43792 + ... + 46978.

It is an arithmetic number, because the mean of its divisors is an integer number (11261610).

Almost surely, 2^144641995 is an apocalyptic number.

144641995 is a deficient number, since it is larger than the sum of its proper divisors (35543765).

144641995 is a wasteful number, since it uses less digits than its factorization.

144641995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534.

The product of its digits is 155520, while the sum is 43.

The square root of 144641995 is about 12026.7200433036. The cubic root of 144641995 is about 524.9260606377.

The spelling of 144641995 in words is "one hundred forty-four million, six hundred forty-one thousand, nine hundred ninety-five".