1484421157 has 2 divisors, whose sum is σ = 1484421158. Its totient is φ = 1484421156.

The previous prime is 1484421119. The next prime is 1484421193. The reversal of 1484421157 is 7511244841.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1105496001 + 378925156 = 33249^2 + 19466^2 .

It is a cyclic number.

It is not a de Polignac number, because 1484421157 - 2¹¹ = 1484419109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1484421457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742210578 + 742210579.

It is an arithmetic number, because the mean of its divisors is an integer number (742210579).

Almost surely, 2^1484421157 is an apocalyptic number.

It is an amenable number.

1484421157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1484421157 is an equidigital number, since it uses as much as digits as its factorization.

1484421157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 37.

The square root of 1484421157 is about 38528.1865262304. The cubic root of 1484421157 is about 1140.7374824377.

Adding to 1484421157 its reverse (7511244841), we get a palindrome (8995665998).

The spelling of 1484421157 in words is "one billion, four hundred eighty-four million, four hundred twenty-one thousand, one hundred fifty-seven".