115151620 has 24 divisors (see below), whose sum is σ = 243669888. Its totient is φ = 45708000.

The previous prime is 115151599. The next prime is 115151623. The reversal of 115151620 is 26151511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115151591 and 115151600.

It is not an unprimeable number, because it can be changed into a prime (115151623) 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, 19356 + ... + 24595.

It is an arithmetic number, because the mean of its divisors is an integer number (10152912).

Almost surely, 2^115151620 is an apocalyptic number.

115151620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115151620 is an abundant number, since it is smaller than the sum of its proper divisors (128518268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115151620 is a wasteful number, since it uses less digits than its factorization.

115151620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44091 (or 44089 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 115151620 is about 10730.8722851407. The cubic root of 115151620 is about 486.5080350776.

The spelling of 115151620 in words is "one hundred fifteen million, one hundred fifty-one thousand, six hundred twenty".