162540743 has 2 divisors, whose sum is σ = 162540744. Its totient is φ = 162540742.

The previous prime is 162540713. The next prime is 162540869. The reversal of 162540743 is 347045261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162540743 - 2⁸ = 162540487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162540713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81270371 + 81270372.

It is an arithmetic number, because the mean of its divisors is an integer number (81270372).

Almost surely, 2^162540743 is an apocalyptic number.

162540743 is a deficient number, since it is larger than the sum of its proper divisors (1).

162540743 is an equidigital number, since it uses as much as digits as its factorization.

162540743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 162540743 is about 12749.1467557637. The cubic root of 162540743 is about 545.7420445095.

The spelling of 162540743 in words is "one hundred sixty-two million, five hundred forty thousand, seven hundred forty-three".