162445461 has 4 divisors (see below), whose sum is σ = 216593952. Its totient is φ = 108296972.

The previous prime is 162445447. The next prime is 162445463. The reversal of 162445461 is 164544261.

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 162445461 - 2⁶ = 162445397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162445463) 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, 27074241 + ... + 27074246.

It is an arithmetic number, because the mean of its divisors is an integer number (54148488).

Almost surely, 2^162445461 is an apocalyptic number.

It is an amenable number.

162445461 is a deficient number, since it is larger than the sum of its proper divisors (54148491).

162445461 is an equidigital number, since it uses as much as digits as its factorization.

162445461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54148490.

The product of its digits is 23040, while the sum is 33.

The square root of 162445461 is about 12745.4094088813. The cubic root of 162445461 is about 545.6353849799.

The spelling of 162445461 in words is "one hundred sixty-two million, four hundred forty-five thousand, four hundred sixty-one".