42452102 has 32 divisors (see below), whose sum is σ = 79881984. Its totient is φ = 16437600.

The previous prime is 42452083. The next prime is 42452117. The reversal of 42452102 is 20125424.

It is a happy number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 27113 + ... + 28635.

It is an arithmetic number, because the mean of its divisors is an integer number (2496312).

Almost surely, 2^42452102 is an apocalyptic number.

42452102 is a deficient number, since it is larger than the sum of its proper divisors (37429882).

42452102 is a wasteful number, since it uses less digits than its factorization.

42452102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724.

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

The square root of 42452102 is about 6515.5277606653. The cubic root of 42452102 is about 348.8454528186.

Adding to 42452102 its reverse (20125424), we get a palindrome (62577526).

The spelling of 42452102 in words is "forty-two million, four hundred fifty-two thousand, one hundred two".