1456132157 has 2 divisors, whose sum is σ = 1456132158. Its totient is φ = 1456132156.

The previous prime is 1456132141. The next prime is 1456132193. The reversal of 1456132157 is 7512316541.

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., 1259824036 + 196308121 = 35494^2 + 14011^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456132157 - 2⁴ = 1456132141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1456132057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728066078 + 728066079.

It is an arithmetic number, because the mean of its divisors is an integer number (728066079).

Almost surely, 2^1456132157 is an apocalyptic number.

It is an amenable number.

1456132157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456132157 is an equidigital number, since it uses as much as digits as its factorization.

1456132157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 35.

The square root of 1456132157 is about 38159.2997446232. The cubic root of 1456132157 is about 1133.4445127281. Note that the first 3 decimals are identical.

Adding to 1456132157 its reverse (7512316541), we get a palindrome (8968448698).

The spelling of 1456132157 in words is "one billion, four hundred fifty-six million, one hundred thirty-two thousand, one hundred fifty-seven".