65442102 has 16 divisors (see below), whose sum is σ = 142782912. Its totient is φ = 19830920.

The previous prime is 65442101. The next prime is 65442119. The reversal of 65442102 is 20124456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65442101) 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, 495708 + ... + 495839.

It is an arithmetic number, because the mean of its divisors is an integer number (8923932).

Almost surely, 2^65442102 is an apocalyptic number.

65442102 is an abundant number, since it is smaller than the sum of its proper divisors (77340810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65442102 is a wasteful number, since it uses less digits than its factorization.

65442102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991563.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 65442102 is about 8089.6292869327. The cubic root of 65442102 is about 402.9820917401.

Adding to 65442102 its reverse (20124456), we get a palindrome (85566558).

It can be divided in two parts, 6544 and 2102, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 65442102 in words is "sixty-five million, four hundred forty-two thousand, one hundred two".