162342557 has 4 divisors (see below), whose sum is σ = 174830460. Its totient is φ = 149854656.

The previous prime is 162342547. The next prime is 162342589. The reversal of 162342557 is 755243261.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28847641 + 133494916 = 5371^2 + 11554^2 .

It is a cyclic number.

It is not a de Polignac number, because 162342557 - 2¹⁴ = 162326173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162342547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6243932 + ... + 6243957.

It is an arithmetic number, because the mean of its divisors is an integer number (43707615).

Almost surely, 2^162342557 is an apocalyptic number.

It is an amenable number.

162342557 is a deficient number, since it is larger than the sum of its proper divisors (12487903).

162342557 is a wasteful number, since it uses less digits than its factorization.

162342557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12487902.

The product of its digits is 50400, while the sum is 35.

The square root of 162342557 is about 12741.3718649131. The cubic root of 162342557 is about 545.5201464593.

The spelling of 162342557 in words is "one hundred sixty-two million, three hundred forty-two thousand, five hundred fifty-seven".