202957045 has 16 divisors (see below), whose sum is σ = 249619968. Its totient is φ = 158343040.

The previous prime is 202956989. The next prime is 202957091. The reversal of 202957045 is 540759202.

It is not a de Polignac number, because 202957045 - 2¹³ = 202948853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202957045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71697 + ... + 74473.

It is an arithmetic number, because the mean of its divisors is an integer number (15601248).

Almost surely, 2^202957045 is an apocalyptic number.

It is an amenable number.

202957045 is a deficient number, since it is larger than the sum of its proper divisors (46662923).

202957045 is a wasteful number, since it uses less digits than its factorization.

202957045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 202957045 is about 14246.2993440402. The cubic root of 202957045 is about 587.6716094423.

The spelling of 202957045 in words is "two hundred two million, nine hundred fifty-seven thousand, forty-five".