1412447157 has 18 divisors (see below), whose sum is σ = 2242537206. Its totient is φ = 856027920.

The previous prime is 1412447129. The next prime is 1412447207. The reversal of 1412447157 is 7517442141.

1412447157 is a `hidden beast` number, since 14 + 124 + 471 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1361167236 + 51279921 = 36894^2 + 7161^2 .

It is not a de Polignac number, because 1412447157 - 2⁶ = 1412447093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412447107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 647418 + ... + 649595.

Almost surely, 2^1412447157 is an apocalyptic number.

It is an amenable number.

1412447157 is a deficient number, since it is larger than the sum of its proper divisors (830090049).

1412447157 is a wasteful number, since it uses less digits than its factorization.

1412447157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297041 (or 1297027 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 1412447157 is about 37582.5379265424. The cubic root of 1412447157 is about 1121.9945213112.

Adding to 1412447157 its reverse (7517442141), we get a palindrome (8929889298).

The spelling of 1412447157 in words is "one billion, four hundred twelve million, four hundred forty-seven thousand, one hundred fifty-seven".