162342145 has 48 divisors (see below), whose sum is σ = 238401360. Its totient is φ = 105670656.

The previous prime is 162342109. The next prime is 162342161. The reversal of 162342145 is 541243261.

It can be written as a sum of positive squares in 8 ways, for example, as 22061809 + 140280336 = 4697^2 + 11844^2 .

It is not a de Polignac number, because 162342145 - 2²⁷ = 28124417 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 518509 + ... + 518821.

It is an arithmetic number, because the mean of its divisors is an integer number (4966695).

Almost surely, 2^162342145 is an apocalyptic number.

It is an amenable number.

162342145 is a deficient number, since it is larger than the sum of its proper divisors (76059215).

162342145 is a wasteful number, since it uses less digits than its factorization.

162342145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 427 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 162342145 is about 12741.3556970991. The cubic root of 162342145 is about 545.5196849773.

The spelling of 162342145 in words is "one hundred sixty-two million, three hundred forty-two thousand, one hundred forty-five".