104645380 has 36 divisors (see below), whose sum is σ = 255636108. Its totient is φ = 35878080.

The previous prime is 104645371. The next prime is 104645383. The reversal of 104645380 is 83546401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74373376 + 30272004 = 8624^2 + 5502^2 .

It is not an unprimeable number, because it can be changed into a prime (104645383) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 52411 + ... + 54370.

It is an arithmetic number, because the mean of its divisors is an integer number (7101003).

Almost surely, 2^104645380 is an apocalyptic number.

104645380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104645380 is an abundant number, since it is smaller than the sum of its proper divisors (150990728).

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

104645380 is a wasteful number, since it uses less digits than its factorization.

104645380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106804 (or 106795 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 104645380 is about 10229.6324469650. The cubic root of 104645380 is about 471.2376914937.

The spelling of 104645380 in words is "one hundred four million, six hundred forty-five thousand, three hundred eighty".