202042345 has 8 divisors (see below), whose sum is σ = 250272000. Its totient is φ = 156419760.

The previous prime is 202042343. The next prime is 202042369. The reversal of 202042345 is 543240202.

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

It is not a de Polignac number, because 202042345 - 2¹ = 202042343 is a prime.

It is a super-2 number, since 2×202042345² = 81642218346198050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202042343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651595 + ... + 651904.

It is an arithmetic number, because the mean of its divisors is an integer number (31284000).

Almost surely, 2^202042345 is an apocalyptic number.

It is an amenable number.

202042345 is a deficient number, since it is larger than the sum of its proper divisors (48229655).

202042345 is a wasteful number, since it uses less digits than its factorization.

202042345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303535.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 202042345 is about 14214.1600173911. The cubic root of 202042345 is about 586.7874276127.

Adding to 202042345 its reverse (543240202), we get a palindrome (745282547).

The spelling of 202042345 in words is "two hundred two million, forty-two thousand, three hundred forty-five".