1040145515 has 16 divisors (see below), whose sum is σ = 1275976800. Its totient is φ = 813729792.

The previous prime is 1040145499. The next prime is 1040145539. The reversal of 1040145515 is 5155410401.

It is a cyclic number.

It is not a de Polignac number, because 1040145515 - 2⁴ = 1040145499 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, 47801 + ... + 66069.

It is an arithmetic number, because the mean of its divisors is an integer number (79748550).

Almost surely, 2^1040145515 is an apocalyptic number.

1040145515 is a deficient number, since it is larger than the sum of its proper divisors (235831285).

1040145515 is a wasteful number, since it uses less digits than its factorization.

1040145515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18526.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1040145515 is about 32251.2870285823. The cubic root of 1040145515 is about 1013.2066547866.

Adding to 1040145515 its reverse (5155410401), we get a palindrome (6195555916).

The spelling of 1040145515 in words is "one billion, forty million, one hundred forty-five thousand, five hundred fifteen".