162505153 has 4 divisors (see below), whose sum is σ = 163691460. Its totient is φ = 161318848.

The previous prime is 162505121. The next prime is 162505163. The reversal of 162505153 is 351505261.

162505153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 91068849 + 71436304 = 9543^2 + 8452^2 .

It is a cyclic number.

It is not a de Polignac number, because 162505153 - 2⁵ = 162505121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162505163) 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, 592948 + ... + 593221.

It is an arithmetic number, because the mean of its divisors is an integer number (40922865).

Almost surely, 2^162505153 is an apocalyptic number.

It is an amenable number.

162505153 is a deficient number, since it is larger than the sum of its proper divisors (1186307).

162505153 is a wasteful number, since it uses less digits than its factorization.

162505153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186306.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 162505153 is about 12747.7508996685. The cubic root of 162505153 is about 545.7022096209.

The spelling of 162505153 in words is "one hundred sixty-two million, five hundred five thousand, one hundred fifty-three".