144001197 has 6 divisors (see below), whose sum is σ = 208001742. Its totient is φ = 96000792.

The previous prime is 144001189. The next prime is 144001201. The reversal of 144001197 is 791100441.

It can be written as a sum of positive squares in only one way, i.e., 143856036 + 145161 = 11994^2 + 381^2 .

It is not a de Polignac number, because 144001197 - 2³ = 144001189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144001197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144001127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8000058 + ... + 8000075.

It is an arithmetic number, because the mean of its divisors is an integer number (34666957).

Almost surely, 2^144001197 is an apocalyptic number.

It is an amenable number.

144001197 is a deficient number, since it is larger than the sum of its proper divisors (64000545).

144001197 is a wasteful number, since it uses less digits than its factorization.

144001197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000139 (or 16000136 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 144001197 is about 12000.0498748964. The cubic root of 144001197 is about 524.1497311653.

The spelling of 144001197 in words is "one hundred forty-four million, one thousand, one hundred ninety-seven".