202054945 has 8 divisors (see below), whose sum is σ = 256728744. Its totient is φ = 152135424.

The previous prime is 202054933. The next prime is 202054967. The reversal of 202054945 is 549450202.

It can be written as a sum of positive squares in 4 ways, for example, as 62980096 + 139074849 = 7936^2 + 11793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202054945 - 2⁵ = 202054913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188474 + ... + 1188643.

It is an arithmetic number, because the mean of its divisors is an integer number (32091093).

Almost surely, 2^202054945 is an apocalyptic number.

It is an amenable number.

202054945 is a deficient number, since it is larger than the sum of its proper divisors (54673799).

202054945 is a wasteful number, since it uses less digits than its factorization.

202054945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377139.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 202054945 is about 14214.6032304810. The cubic root of 202054945 is about 586.7996253328.

It can be divided in two parts, 2020 and 54945, that added together give a palindrome (56965).

The spelling of 202054945 in words is "two hundred two million, fifty-four thousand, nine hundred forty-five".