162154543 has 4 divisors (see below), whose sum is σ = 162201088. Its totient is φ = 162108000.

The previous prime is 162154523. The next prime is 162154567. The reversal of 162154543 is 345451261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345451261 = 587 ⋅588503.

It is a cyclic number.

It is not a de Polignac number, because 162154543 - 2¹³ = 162146351 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 (162154523) 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 in 3 ways as a sum of consecutive naturals, for example, 17583 + ... + 25168.

It is an arithmetic number, because the mean of its divisors is an integer number (40550272).

Almost surely, 2^162154543 is an apocalyptic number.

162154543 is a deficient number, since it is larger than the sum of its proper divisors (46545).

162154543 is an equidigital number, since it uses as much as digits as its factorization.

162154543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46544.

The product of its digits is 14400, while the sum is 31.

The square root of 162154543 is about 12733.9916365608. The cubic root of 162154543 is about 545.3094704522.

The spelling of 162154543 in words is "one hundred sixty-two million, one hundred fifty-four thousand, five hundred forty-three".