116154257 has 4 divisors (see below), whose sum is σ = 116194596. Its totient is φ = 116113920.

The previous prime is 116154221. The next prime is 116154263. The reversal of 116154257 is 752451611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 752451611 = 1789 ⋅420599.

It can be written as a sum of positive squares in 2 ways, for example, as 15673681 + 100480576 = 3959^2 + 10024^2 .

It is a cyclic number.

It is not a de Polignac number, because 116154257 - 2¹⁸ = 115892113 is a prime.

It is a super-2 number, since 2×116154257² = 26983622838444098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116154287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15488 + ... + 21729.

It is an arithmetic number, because the mean of its divisors is an integer number (29048649).

Almost surely, 2^116154257 is an apocalyptic number.

It is an amenable number.

116154257 is a deficient number, since it is larger than the sum of its proper divisors (40339).

116154257 is an equidigital number, since it uses as much as digits as its factorization.

116154257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40338.

The product of its digits is 8400, while the sum is 32.

The square root of 116154257 is about 10777.4884365514. The cubic root of 116154257 is about 487.9159817395.

The spelling of 116154257 in words is "one hundred sixteen million, one hundred fifty-four thousand, two hundred fifty-seven".