144139295 has 4 divisors (see below), whose sum is σ = 172967160. Its totient is φ = 115311432.

The previous prime is 144139283. The next prime is 144139349. The reversal of 144139295 is 592931441.

144139295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144139295 is a prime.

It is a super-2 number, since 2×144139295² = 41552272726194050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14413925 + ... + 14413934.

It is an arithmetic number, because the mean of its divisors is an integer number (43241790).

Almost surely, 2^144139295 is an apocalyptic number.

144139295 is a deficient number, since it is larger than the sum of its proper divisors (28827865).

144139295 is an equidigital number, since it uses as much as digits as its factorization.

144139295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28827864.

The product of its digits is 38880, while the sum is 38.

The square root of 144139295 is about 12005.8025554313. The cubic root of 144139295 is about 524.3172318632.

The spelling of 144139295 in words is "one hundred forty-four million, one hundred thirty-nine thousand, two hundred ninety-five".