156794453 has 2 divisors, whose sum is σ = 156794454. Its totient is φ = 156794452.

The previous prime is 156794431. The next prime is 156794459. The reversal of 156794453 is 354497651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127396369 + 29398084 = 11287^2 + 5422^2 .

It is a cyclic number.

It is not a de Polignac number, because 156794453 - 2¹² = 156790357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156794459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78397226 + 78397227.

It is an arithmetic number, because the mean of its divisors is an integer number (78397227).

Almost surely, 2^156794453 is an apocalyptic number.

It is an amenable number.

156794453 is a deficient number, since it is larger than the sum of its proper divisors (1).

156794453 is an equidigital number, since it uses as much as digits as its factorization.

156794453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 44.

The square root of 156794453 is about 12521.7591815208. The cubic root of 156794453 is about 539.2335411138.

The spelling of 156794453 in words is "one hundred fifty-six million, seven hundred ninety-four thousand, four hundred fifty-three".