202001145 has 8 divisors (see below), whose sum is σ = 323201856. Its totient is φ = 107733936.

The previous prime is 202001131. The next prime is 202001197. The reversal of 202001145 is 541100202.

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

It is not a de Polignac number, because 202001145 - 2⁵ = 202001113 is a prime.

It is a super-2 number, since 2×202001145² = 81608925162622050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 13466743 = 202001145 / (2 + 0 + 2 + 0 + 0 + 1 + 1 + 4 + 5).

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 7 ways as a sum of consecutive naturals, for example, 6733357 + ... + 6733386.

It is an arithmetic number, because the mean of its divisors is an integer number (40400232).

Almost surely, 2^202001145 is an apocalyptic number.

It is an amenable number.

202001145 is a deficient number, since it is larger than the sum of its proper divisors (121200711).

202001145 is a wasteful number, since it uses less digits than its factorization.

202001145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13466751.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 202001145 is about 14212.7106844543. The cubic root of 202001145 is about 586.7475394637.

Adding to 202001145 its reverse (541100202), we get a palindrome (743101347).

The spelling of 202001145 in words is "two hundred two million, one thousand, one hundred forty-five".