42145202 has 8 divisors (see below), whose sum is σ = 68964912. Its totient is φ = 19156900.

The previous prime is 42145153. The next prime is 42145241. The reversal of 42145202 is 20254124.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 957824 + ... + 957867.

It is an arithmetic number, because the mean of its divisors is an integer number (8620614).

Almost surely, 2^42145202 is an apocalyptic number.

42145202 is a deficient number, since it is larger than the sum of its proper divisors (26819710).

42145202 is a wasteful number, since it uses less digits than its factorization.

42145202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915704.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42145202 is about 6491.9336102582. The cubic root of 42145202 is about 348.0027799575.

Adding to 42145202 its reverse (20254124), we get a palindrome (62399326).

The spelling of 42145202 in words is "forty-two million, one hundred forty-five thousand, two hundred two".