1140145415 has 8 divisors (see below), whose sum is σ = 1378018320. Its totient is φ = 905553792.

The previous prime is 1140145399. The next prime is 1140145453. The reversal of 1140145415 is 5145410411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1140145415 - 2⁴ = 1140145399 is a prime.

It is a super-3 number, since 3×1140145415³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 819554 + ... + 820943.

It is an arithmetic number, because the mean of its divisors is an integer number (172252290).

Almost surely, 2^1140145415 is an apocalyptic number.

1140145415 is a deficient number, since it is larger than the sum of its proper divisors (237872905).

1140145415 is a wasteful number, since it uses less digits than its factorization.

1140145415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640641.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1140145415 is about 33766.0393739035. The cubic root of 1140145415 is about 1044.6883421551.

Adding to 1140145415 its reverse (5145410411), we get a palindrome (6285555826).

The spelling of 1140145415 in words is "one billion, one hundred forty million, one hundred forty-five thousand, four hundred fifteen".