144956399 has 8 divisors (see below), whose sum is σ = 175409568. Its totient is φ = 116939520.

The previous prime is 144956393. The next prime is 144956407. The reversal of 144956399 is 993659441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144956399 is a prime.

It is a super-2 number, since 2×144956399² = 42024715222094402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144956393) 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, 608942 + ... + 609179.

It is an arithmetic number, because the mean of its divisors is an integer number (21926196).

Almost surely, 2^144956399 is an apocalyptic number.

144956399 is a deficient number, since it is larger than the sum of its proper divisors (30453169).

144956399 is a wasteful number, since it uses less digits than its factorization.

144956399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218145.

The product of its digits is 1049760, while the sum is 50.

The square root of 144956399 is about 12039.7840096905. The cubic root of 144956399 is about 525.3061241118.

The spelling of 144956399 in words is "one hundred forty-four million, nine hundred fifty-six thousand, three hundred ninety-nine".