1011143146 has 8 divisors (see below), whose sum is σ = 1633385124. Its totient is φ = 466681440.

The previous prime is 1011143143. The next prime is 1011143183. The reversal of 1011143146 is 6413411101.

It is a happy number.

1011143146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 999508225 + 11634921 = 31615^2 + 3411^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1011143143) 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, 19445035 + ... + 19445086.

Almost surely, 2^1011143146 is an apocalyptic number.

1011143146 is a deficient number, since it is larger than the sum of its proper divisors (622241978).

1011143146 is a wasteful number, since it uses less digits than its factorization.

1011143146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38890136.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1011143146 is about 31798.4771018991. The cubic root of 1011143146 is about 1003.7006701470.

Adding to 1011143146 its reverse (6413411101), we get a palindrome (7424554247).

The spelling of 1011143146 in words is "one billion, eleven million, one hundred forty-three thousand, one hundred forty-six".