144714723257 has 8 divisors (see below), whose sum is σ = 156061004736. Its totient is φ = 133399067472.

The previous prime is 144714723229. The next prime is 144714723319. The reversal of 144714723257 is 752327417441.

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 144714723257 - 2³² = 140419755961 is a prime.

It is a super-2 number, since 2×144714723257² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144714723557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7646603 + ... + 7665504.

It is an arithmetic number, because the mean of its divisors is an integer number (19507625592).

Almost surely, 2^144714723257 is an apocalyptic number.

It is an amenable number.

144714723257 is a deficient number, since it is larger than the sum of its proper divisors (11346281479).

144714723257 is a wasteful number, since it uses less digits than its factorization.

144714723257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312847.

The product of its digits is 1317120, while the sum is 47.

The spelling of 144714723257 in words is "one hundred forty-four billion, seven hundred fourteen million, seven hundred twenty-three thousand, two hundred fifty-seven".