104145534 has 16 divisors (see below), whose sum is σ = 231434640. Its totient is φ = 34715160.

The previous prime is 104145533. The next prime is 104145539. The reversal of 104145534 is 435541401.

It is a happy number.

104145534 is a `hidden beast` number, since 104 + 1 + 4 + 553 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 104145498 and 104145507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104145533) 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, 964257 + ... + 964364.

It is an arithmetic number, because the mean of its divisors is an integer number (14464665).

Almost surely, 2^104145534 is an apocalyptic number.

104145534 is an abundant number, since it is smaller than the sum of its proper divisors (127289106).

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

104145534 is a wasteful number, since it uses less digits than its factorization.

104145534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1928632 (or 1928626 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 104145534 is about 10205.1719240785. The cubic root of 104145534 is about 470.4861937274.

Adding to 104145534 its reverse (435541401), we get a palindrome (539686935).

The spelling of 104145534 in words is "one hundred four million, one hundred forty-five thousand, five hundred thirty-four".