144557362849 has 3 divisors (see below), whose sum is σ = 144557743057. Its totient is φ = 144556982642.

The previous prime is 144557362823. The next prime is 144557362853. The reversal of 144557362849 is 948263755441.

The square root of 144557362849 is 380207.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 144557362849 - 2²⁷ = 144423145121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144557362793 and 144557362802.

It is not an unprimeable number, because it can be changed into a prime (144557362949) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 190104 + ... + 570310.

Almost surely, 2^144557362849 is an apocalyptic number.

144557362849 is the 380207-th square number.

144557362849 is the 190104-th centered octagonal number.

It is an amenable number.

144557362849 is a deficient number, since it is larger than the sum of its proper divisors (380208).

144557362849 is an frugal number, since it uses more digits than its factorization.

144557362849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760414 (or 380207 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 58.

The spelling of 144557362849 in words is "one hundred forty-four billion, five hundred fifty-seven million, three hundred sixty-two thousand, eight hundred forty-nine".