1140045146 has 8 divisors (see below), whose sum is σ = 1720559424. Its totient is φ = 566525340.

The previous prime is 1140045131. The next prime is 1140045149. The reversal of 1140045146 is 6415400411.

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

It is a super-2 number, since 2×1140045146² = 2599405869836322632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140045149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748210 + ... + 1748861.

It is an arithmetic number, because the mean of its divisors is an integer number (215069928).

Almost surely, 2^1140045146 is an apocalyptic number.

1140045146 is a deficient number, since it is larger than the sum of its proper divisors (580514278).

1140045146 is a wasteful number, since it uses less digits than its factorization.

1140045146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497236.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1140045146 is about 33764.5545802103. The cubic root of 1140045146 is about 1044.6577165510.

Adding to 1140045146 its reverse (6415400411), we get a palindrome (7555445557).

The spelling of 1140045146 in words is "one billion, one hundred forty million, forty-five thousand, one hundred forty-six".