1015115145 has 32 divisors (see below), whose sum is σ = 1789409664. Its totient is φ = 487296000.

The previous prime is 1015115131. The next prime is 1015115183. The reversal of 1015115145 is 5415115101.

It is not a de Polignac number, because 1015115145 - 2⁵ = 1015115113 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13792 + ... + 47121.

It is an arithmetic number, because the mean of its divisors is an integer number (55919052).

Almost surely, 2^1015115145 is an apocalyptic number.

1015115145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1015115145 is a deficient number, since it is larger than the sum of its proper divisors (774294519).

1015115145 is a wasteful number, since it uses less digits than its factorization.

1015115145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61033.

The product of its (nonzero) digits is 500, while the sum is 24.

The square root of 1015115145 is about 31860.8716924067. The cubic root of 1015115145 is about 1005.0132074203.

The spelling of 1015115145 in words is "one billion, fifteen million, one hundred fifteen thousand, one hundred forty-five".