115920153 has 10 divisors (see below), whose sum is σ = 173164794. Its totient is φ = 77280048.

The previous prime is 115920151. The next prime is 115920157. The reversal of 115920153 is 351029511.

It can be written as a sum of positive squares in only one way, i.e., 81486729 + 34433424 = 9027^2 + 5868^2 .

It is not a de Polignac number, because 115920153 - 2¹ = 115920151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115920151) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 715476 + ... + 715637.

Almost surely, 2^115920153 is an apocalyptic number.

It is an amenable number.

115920153 is a deficient number, since it is larger than the sum of its proper divisors (57244641).

115920153 is an equidigital number, since it uses as much as digits as its factorization.

115920153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431125 (or 1431116 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 115920153 is about 10766.6221722507. The cubic root of 115920153 is about 487.5879699236.

Adding to 115920153 its reverse (351029511), we get a palindrome (466949664).

It can be divided in two parts, 1159 and 20153, that added together give a palindrome (21312).

The spelling of 115920153 in words is "one hundred fifteen million, nine hundred twenty thousand, one hundred fifty-three".