162245157 has 4 divisors (see below), whose sum is σ = 216326880. Its totient is φ = 108163436.

The previous prime is 162245117. The next prime is 162245183. The reversal of 162245157 is 751542261.

162245157 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162245157 - 2¹⁸ = 161983013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162245107) 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, 27040857 + ... + 27040862.

It is an arithmetic number, because the mean of its divisors is an integer number (54081720).

Almost surely, 2^162245157 is an apocalyptic number.

It is an amenable number.

162245157 is a deficient number, since it is larger than the sum of its proper divisors (54081723).

162245157 is an equidigital number, since it uses as much as digits as its factorization.

162245157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54081722.

The product of its digits is 16800, while the sum is 33.

The square root of 162245157 is about 12737.5490970594. The cubic root of 162245157 is about 545.4110268032.

The spelling of 162245157 in words is "one hundred sixty-two million, two hundred forty-five thousand, one hundred fifty-seven".