144732310969 has 9 divisors (see below), whose sum is σ = 152758350693. Its totient is φ = 137107973052.

The previous prime is 144732310939. The next prime is 144732310991. The reversal of 144732310969 is 969013237441.

The square root of 144732310969 is 380437.

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

It is not a de Polignac number, because 144732310969 - 2¹¹ = 144732308921 is a prime.

It is a super-2 number, since 2×144732310969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144732310939) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7218292 + ... + 7238314.

It is an arithmetic number, because the mean of its divisors is an integer number (16973150077).

Almost surely, 2^144732310969 is an apocalyptic number.

144732310969 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

144732310969 is the 380437-th square number.

144732310969 is the 190219-th centered octagonal number.

It is an amenable number.

144732310969 is a deficient number, since it is larger than the sum of its proper divisors (8026039724).

144732310969 is an frugal number, since it uses more digits than its factorization.

144732310969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40084 (or 20042 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

Multiplying 144732310969 by its sum of digits (49), we get a square (7091883237481 = 2663059²).

The spelling of 144732310969 in words is "one hundred forty-four billion, seven hundred thirty-two million, three hundred ten thousand, nine hundred sixty-nine".