144989097 has 24 divisors (see below), whose sum is σ = 214183200. Its totient is φ = 87172800.

The previous prime is 144989081. The next prime is 144989123. The reversal of 144989097 is 790989441.

It is not a de Polignac number, because 144989097 - 2⁴ = 144989081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144989017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46029 + ... + 49077.

It is an arithmetic number, because the mean of its divisors is an integer number (8924300).

Almost surely, 2^144989097 is an apocalyptic number.

It is an amenable number.

144989097 is a deficient number, since it is larger than the sum of its proper divisors (69194103).

144989097 is a wasteful number, since it uses less digits than its factorization.

144989097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205 (or 3194 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 144989097 is about 12041.1418478482. The cubic root of 144989097 is about 525.3456191334.

The spelling of 144989097 in words is "one hundred forty-four million, nine hundred eighty-nine thousand, ninety-seven".