1436443157 has 2 divisors, whose sum is σ = 1436443158. Its totient is φ = 1436443156.

The previous prime is 1436443123. The next prime is 1436443171. The reversal of 1436443157 is 7513446341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1076430481 + 360012676 = 32809^2 + 18974^2 .

It is a cyclic number.

It is not a de Polignac number, because 1436443157 - 2⁸ = 1436442901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1436443157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1436440157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 718221578 + 718221579.

It is an arithmetic number, because the mean of its divisors is an integer number (718221579).

Almost surely, 2^1436443157 is an apocalyptic number.

It is an amenable number.

1436443157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1436443157 is an equidigital number, since it uses as much as digits as its factorization.

1436443157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 1436443157 is about 37900.4374249164. The cubic root of 1436443157 is about 1128.3127132610.

Adding to 1436443157 its reverse (7513446341), we get a palindrome (8949889498).

The spelling of 1436443157 in words is "one billion, four hundred thirty-six million, four hundred forty-three thousand, one hundred fifty-seven".