1456157 has 2 divisors, whose sum is σ = 1456158. Its totient is φ = 1456156.

The previous prime is 1456127. The next prime is 1456159. The reversal of 1456157 is 7516541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1413721 + 42436 = 1189^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456157 - 2⁸ = 1455901 is a prime.

Together with 1456159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1456159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728078 + 728079.

It is an arithmetic number, because the mean of its divisors is an integer number (728079).

2^1456157 is an apocalyptic number.

It is an amenable number.

1456157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456157 is an equidigital number, since it uses as much as digits as its factorization.

1456157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 1456157 is about 1206.7133048077. The cubic root of 1456157 is about 113.3450958572.

The spelling of 1456157 in words is "one million, four hundred fifty-six thousand, one hundred fifty-seven".