1432144157 has 2 divisors, whose sum is σ = 1432144158. Its totient is φ = 1432144156.

The previous prime is 1432144121. The next prime is 1432144177. The reversal of 1432144157 is 7514412341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1431033241 + 1110916 = 37829^2 + 1054^2 .

It is an emirp because it is prime and its reverse (7514412341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1432144157 - 2¹⁴ = 1432127773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1432144177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716072078 + 716072079.

It is an arithmetic number, because the mean of its divisors is an integer number (716072079).

Almost surely, 2^1432144157 is an apocalyptic number.

It is an amenable number.

1432144157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1432144157 is an equidigital number, since it uses as much as digits as its factorization.

1432144157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 1432144157 is about 37843.6805424631. The cubic root of 1432144157 is about 1127.1859803346.

Adding to 1432144157 its reverse (7514412341), we get a palindrome (8946556498).

The spelling of 1432144157 in words is "one billion, four hundred thirty-two million, one hundred forty-four thousand, one hundred fifty-seven".