104451145 has 8 divisors (see below), whose sum is σ = 132714504. Its totient is φ = 78645504.

The previous prime is 104451143. The next prime is 104451157. The reversal of 104451145 is 541154401.

It can be written as a sum of positive squares in 4 ways, for example, as 33419961 + 71031184 = 5781^2 + 8428^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 104451145 - 2¹ = 104451143 is a prime.

It is a super-2 number, since 2×104451145² = 21820083383622050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104451143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614334 + ... + 614503.

It is an arithmetic number, because the mean of its divisors is an integer number (16589313).

Almost surely, 2^104451145 is an apocalyptic number.

It is an amenable number.

104451145 is a deficient number, since it is larger than the sum of its proper divisors (28263359).

104451145 is a wasteful number, since it uses less digits than its factorization.

104451145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228859.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 104451145 is about 10220.1342946167. The cubic root of 104451145 is about 470.9459520896.

The spelling of 104451145 in words is "one hundred four million, four hundred fifty-one thousand, one hundred forty-five".