1016145 has 40 divisors (see below), whose sum is σ = 1971816. Its totient is φ = 497664.

The previous prime is 1016143. The next prime is 1016153. The reversal of 1016145 is 5416101.

It can be written as a sum of positive squares in 4 ways, for example, as 81 + 1016064 = 9^2 + 1008^2 .

It is not a de Polignac number, because 1016145 - 2¹ = 1016143 is a prime.

It is a super-2 number, since 2×1016145² = 2065101322050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016143) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5169 + ... + 5361.

2^1016145 is an apocalyptic number.

1016145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1016145 is a deficient number, since it is larger than the sum of its proper divisors (955671).

1016145 is a wasteful number, since it uses less digits than its factorization.

1016145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1016145 is about 1008.0401777707. The cubic root of 1016145 is about 100.5352961343.

Subtracting from 1016145 its product of nonzero digits (120), we obtain a triangular number (1016025 = T₁₄₂₅).

The spelling of 1016145 in words is "one million, sixteen thousand, one hundred forty-five".