115401345 has 32 divisors (see below), whose sum is σ = 197683200. Its totient is φ = 57311424.

The previous prime is 115401343. The next prime is 115401359. The reversal of 115401345 is 543104511.

It is a happy number.

It is not a de Polignac number, because 115401345 - 2¹ = 115401343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115401343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13384 + ... + 20246.

It is an arithmetic number, because the mean of its divisors is an integer number (6177600).

Almost surely, 2^115401345 is an apocalyptic number.

115401345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115401345 is a deficient number, since it is larger than the sum of its proper divisors (82281855).

115401345 is a wasteful number, since it uses less digits than its factorization.

115401345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 115401345 is about 10742.5018035837. The cubic root of 115401345 is about 486.8594717278.

Adding to 115401345 its reverse (543104511), we get a palindrome (658505856).

The spelling of 115401345 in words is "one hundred fifteen million, four hundred one thousand, three hundred forty-five".