1040145 has 16 divisors (see below), whose sum is σ = 1762560. Its totient is φ = 521984.

The previous prime is 1040141. The next prime is 1040153. The reversal of 1040145 is 5410401.

1040145 = 318² + 319² + ... + 327².

It is a cyclic number.

It is not a de Polignac number, because 1040145 - 2² = 1040141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

1040145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1040141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1785 + ... + 2294.

It is an arithmetic number, because the mean of its divisors is an integer number (110160).

2^1040145 is an apocalyptic number.

1040145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040145 is a deficient number, since it is larger than the sum of its proper divisors (722415).

1040145 is a wasteful number, since it uses less digits than its factorization.

1040145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1040145 is about 1019.8749923397. The cubic root of 1040145 is about 101.3206487566.

Adding to 1040145 its reverse (5410401), we get a palindrome (6450546).

The spelling of 1040145 in words is "one million, forty thousand, one hundred forty-five".