144040077 has 6 divisors (see below), whose sum is σ = 208057902. Its totient is φ = 96026712.

The previous prime is 144040073. The next prime is 144040163. The reversal of 144040077 is 770040441.

It can be written as a sum of positive squares in only one way, i.e., 143856036 + 184041 = 11994^2 + 429^2 .

It is not a de Polignac number, because 144040077 - 2² = 144040073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144040077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144040073) 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, 8002218 + ... + 8002235.

It is an arithmetic number, because the mean of its divisors is an integer number (34676317).

Almost surely, 2^144040077 is an apocalyptic number.

It is an amenable number.

144040077 is a deficient number, since it is larger than the sum of its proper divisors (64017825).

144040077 is a wasteful number, since it uses less digits than its factorization.

144040077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16004459 (or 16004456 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 144040077 is about 12001.6697588294. The cubic root of 144040077 is about 524.1969000041.

The spelling of 144040077 in words is "one hundred forty-four million, forty thousand, seventy-seven".