202045022154 has 48 divisors (see below), whose sum is σ = 443680848000. Its totient is φ = 66439533888.

The previous prime is 202045022147. The next prime is 202045022161. The reversal of 202045022154 is 451220540202.

202045022154 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 4 + 502 + 2 + 154 = 666.

It is an interprime number because it is at equal distance from previous prime (202045022147) and next prime (202045022161).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1636897 + ... + 1755995.

It is an arithmetic number, because the mean of its divisors is an integer number (9243351000).

Almost surely, 2^202045022154 is an apocalyptic number.

202045022154 is an abundant number, since it is smaller than the sum of its proper divisors (241635825846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202045022154 is a wasteful number, since it uses less digits than its factorization.

202045022154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120379 (or 120376 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 202045022154 its reverse (451220540202), we get a palindrome (653265562356).

The spelling of 202045022154 in words is "two hundred two billion, forty-five million, twenty-two thousand, one hundred fifty-four".