115145460 has 36 divisors (see below), whose sum is σ = 349275108. Its totient is φ = 30705408.

The previous prime is 115145431. The next prime is 115145477. The reversal of 115145460 is 64541511.

115145460 is a `hidden beast` number, since 1 + 151 + 454 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87834384 + 27311076 = 9372^2 + 5226^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×115145460² = 26516953917223200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319669 + ... + 320028.

Almost surely, 2^115145460 is an apocalyptic number.

115145460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115145460 is an abundant number, since it is smaller than the sum of its proper divisors (234129648).

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

115145460 is a wasteful number, since it uses less digits than its factorization.

115145460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639712 (or 639707 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 115145460 is about 10730.5852589689. The cubic root of 115145460 is about 486.4993597244.

Adding to 115145460 its reverse (64541511), we get a palindrome (179686971).

The spelling of 115145460 in words is "one hundred fifteen million, one hundred forty-five thousand, four hundred sixty".