104145012 has 72 divisors (see below), whose sum is σ = 278625984. Its totient is φ = 32731776.

The previous prime is 104145007. The next prime is 104145037. The reversal of 104145012 is 210541401.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 59583 + ... + 61305.

Almost surely, 2^104145012 is an apocalyptic number.

104145012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104145012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139312992).

104145012 is an abundant number, since it is smaller than the sum of its proper divisors (174480972).

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

104145012 is a wasteful number, since it uses less digits than its factorization.

104145012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 104145012 is about 10205.1463487791. The cubic root of 104145012 is about 470.4854076665.

Adding to 104145012 its reverse (210541401), we get a palindrome (314686413).

The spelling of 104145012 in words is "one hundred four million, one hundred forty-five thousand, twelve".