1418485157 has 2 divisors, whose sum is σ = 1418485158. Its totient is φ = 1418485156.

The previous prime is 1418485153. The next prime is 1418485171. The reversal of 1418485157 is 7515848141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1068570721 + 349914436 = 32689^2 + 18706^2 .

It is an emirp because it is prime and its reverse (7515848141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1418485157 - 2² = 1418485153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1418485153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709242578 + 709242579.

It is an arithmetic number, because the mean of its divisors is an integer number (709242579).

Almost surely, 2^1418485157 is an apocalyptic number.

It is an amenable number.

1418485157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418485157 is an equidigital number, since it uses as much as digits as its factorization.

1418485157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 179200, while the sum is 44.

The square root of 1418485157 is about 37662.7821197532. The cubic root of 1418485157 is about 1123.5910346808.

The spelling of 1418485157 in words is "one billion, four hundred eighteen million, four hundred eighty-five thousand, one hundred fifty-seven".