100442465 has 8 divisors (see below), whose sum is σ = 120637608. Its totient is φ = 80282880.

The previous prime is 100442437. The next prime is 100442467. The reversal of 100442465 is 564244001.

It can be written as a sum of positive squares in 4 ways, for example, as 6507601 + 93934864 = 2551^2 + 9692^2 .

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

It is not a de Polignac number, because 100442465 - 2²² = 96248161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100442467) 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, 2216 + ... + 14345.

It is an arithmetic number, because the mean of its divisors is an integer number (15079701).

Almost surely, 2^100442465 is an apocalyptic number.

It is an amenable number.

100442465 is a deficient number, since it is larger than the sum of its proper divisors (20195143).

100442465 is a wasteful number, since it uses less digits than its factorization.

100442465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17779.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 100442465 is about 10022.0988320810. The cubic root of 100442465 is about 464.8424563611.

Adding to 100442465 its reverse (564244001), we get a palindrome (664686466).

The spelling of 100442465 in words is "one hundred million, four hundred forty-two thousand, four hundred sixty-five".