115440157 has 8 divisors (see below), whose sum is σ = 132200000. Its totient is φ = 98747424.

The previous prime is 115440119. The next prime is 115440161. The reversal of 115440157 is 751044511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115440157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115443157) 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, 13032 + ... + 20017.

It is an arithmetic number, because the mean of its divisors is an integer number (16525000).

Almost surely, 2^115440157 is an apocalyptic number.

It is an amenable number.

115440157 is a deficient number, since it is larger than the sum of its proper divisors (16759843).

115440157 is an equidigital number, since it uses as much as digits as its factorization.

115440157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33555.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 115440157 is about 10744.3081210472. The cubic root of 115440157 is about 486.9140461115.

Adding to 115440157 its reverse (751044511), we get a palindrome (866484668).

The spelling of 115440157 in words is "one hundred fifteen million, four hundred forty thousand, one hundred fifty-seven".