162154 has 4 divisors (see below), whose sum is σ = 243234. Its totient is φ = 81076.

The previous prime is 162143. The next prime is 162209. The reversal of 162154 is 451261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451261 = 311 ⋅1451.

It can be written as a sum of positive squares in only one way, i.e., 106929 + 55225 = 327^2 + 235^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40537 + ... + 40540.

2¹⁶²¹⁵⁴ is an apocalyptic number.

162154 is a deficient number, since it is larger than the sum of its proper divisors (81080).

162154 is an equidigital number, since it uses as much as digits as its factorization.

162154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81079.

The product of its digits is 240, while the sum is 19.

The square root of 162154 is about 402.6834985445. The cubic root of 162154 is about 54.5308861767.

The spelling of 162154 in words is "one hundred sixty-two thousand, one hundred fifty-four".