203146465162 has 4 divisors (see below), whose sum is σ = 304719697746. Its totient is φ = 101573232580.

The previous prime is 203146465127. The next prime is 203146465163. The reversal of 203146465162 is 261564641302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261564641302 = 2 ⋅130782320651.

It can be written as a sum of positive squares in only one way, i.e., 198061491681 + 5084973481 = 445041^2 + 71309^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (203146465163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50786616289 + ... + 50786616292.

Almost surely, 2^203146465162 is an apocalyptic number.

203146465162 is a deficient number, since it is larger than the sum of its proper divisors (101573232584).

203146465162 is a wasteful number, since it uses less digits than its factorization.

203146465162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101573232583.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 203146465162 in words is "two hundred three billion, one hundred forty-six million, four hundred sixty-five thousand, one hundred sixty-two".