1018512145 has 16 divisors (see below), whose sum is σ = 1404063360. Its totient is φ = 694785024.

The previous prime is 1018512127. The next prime is 1018512163. The reversal of 1018512145 is 5412158101.

It is an interprime number because it is at equal distance from previous prime (1018512127) and next prime (1018512163).

It is a cyclic number.

It is not a de Polignac number, because 1018512145 - 2⁵ = 1018512113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68635 + ... + 82144.

It is an arithmetic number, because the mean of its divisors is an integer number (87753960).

Almost surely, 2^1018512145 is an apocalyptic number.

It is an amenable number.

1018512145 is a deficient number, since it is larger than the sum of its proper divisors (385551215).

1018512145 is a wasteful number, since it uses less digits than its factorization.

1018512145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150984.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 1018512145 is about 31914.1370712103. The cubic root of 1018512145 is about 1006.1330241193.

The spelling of 1018512145 in words is "one billion, eighteen million, five hundred twelve thousand, one hundred forty-five".