1440146101 has 2 divisors, whose sum is σ = 1440146102. Its totient is φ = 1440146100.

The previous prime is 1440146093. The next prime is 1440146131. The reversal of 1440146101 is 1016410441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1140683076 + 299463025 = 33774^2 + 17305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1440146101 - 2³ = 1440146093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1440146131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720073050 + 720073051.

It is an arithmetic number, because the mean of its divisors is an integer number (720073051).

Almost surely, 2^1440146101 is an apocalyptic number.

It is an amenable number.

1440146101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1440146101 is an equidigital number, since it uses as much as digits as its factorization.

1440146101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1440146101 is about 37949.2569228964. The cubic root of 1440146101 is about 1129.2814240059.

Adding to 1440146101 its reverse (1016410441), we get a palindrome (2456556542).

The spelling of 1440146101 in words is "one billion, four hundred forty million, one hundred forty-six thousand, one hundred one".