114601581 has 8 divisors (see below), whose sum is σ = 169780160. Its totient is φ = 76401036.

The previous prime is 114601577. The next prime is 114601609. The reversal of 114601581 is 185106411.

114601581 is a `hidden beast` number, since 1 + 1 + 4 + 601 + 58 + 1 = 666.

It is not a de Polignac number, because 114601581 - 2² = 114601577 is a prime.

It is a super-2 number, since 2×114601581² = 26267044735399122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4244503 = 114601581 / (1 + 1 + 4 + 6 + 0 + 1 + 5 + 8 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (114601511) 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, 2122225 + ... + 2122278.

It is an arithmetic number, because the mean of its divisors is an integer number (21222520).

Almost surely, 2^114601581 is an apocalyptic number.

It is an amenable number.

114601581 is a deficient number, since it is larger than the sum of its proper divisors (55178579).

114601581 is an equidigital number, since it uses as much as digits as its factorization.

114601581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244512 (or 4244506 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 114601581 is about 10705.2127956431. The cubic root of 114601581 is about 485.7321721993.

Adding to 114601581 its reverse (185106411), we get a palindrome (299707992).

It can be divided in two parts, 11460 and 1581, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 114601581 in words is "one hundred fourteen million, six hundred one thousand, five hundred eighty-one".