144689395 has 8 divisors (see below), whose sum is σ = 174693456. Its totient is φ = 115040736.

The previous prime is 144689387. The next prime is 144689401. The reversal of 144689395 is 593986441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 144689395 - 2³ = 144689387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87952 + ... + 89581.

It is an arithmetic number, because the mean of its divisors is an integer number (21836682).

Almost surely, 2^144689395 is an apocalyptic number.

144689395 is a deficient number, since it is larger than the sum of its proper divisors (30004061).

144689395 is a wasteful number, since it uses less digits than its factorization.

144689395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177701.

The product of its digits is 933120, while the sum is 49.

The square root of 144689395 is about 12028.6904939815. The cubic root of 144689395 is about 524.9833947885.

The spelling of 144689395 in words is "one hundred forty-four million, six hundred eighty-nine thousand, three hundred ninety-five".