162151285 has 8 divisors (see below), whose sum is σ = 194657976. Its totient is φ = 129670080.

The previous prime is 162151247. The next prime is 162151303. The reversal of 162151285 is 582151261.

It can be written as a sum of positive squares in 4 ways, for example, as 93045316 + 69105969 = 9646^2 + 8313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 162151285 - 2¹⁷ = 162020213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12975 + ... + 22195.

It is an arithmetic number, because the mean of its divisors is an integer number (24332247).

Almost surely, 2^162151285 is an apocalyptic number.

It is an amenable number.

162151285 is a deficient number, since it is larger than the sum of its proper divisors (32506691).

162151285 is an equidigital number, since it uses as much as digits as its factorization.

162151285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743.

The product of its digits is 4800, while the sum is 31.

The square root of 162151285 is about 12733.8637105947. The cubic root of 162151285 is about 545.3058183186.

The spelling of 162151285 in words is "one hundred sixty-two million, one hundred fifty-one thousand, two hundred eighty-five".