1146142940 has 24 divisors (see below), whose sum is σ = 2458112832. Its totient is φ = 448702400.

The previous prime is 1146142913. The next prime is 1146142951. The reversal of 1146142940 is 492416411.

It is a junction number, because it is equal to n+sod(n) for n = 1146142897 and 1146142906.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608711 + ... + 610590.

It is an arithmetic number, because the mean of its divisors is an integer number (102421368).

Almost surely, 2^1146142940 is an apocalyptic number.

1146142940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146142940 is an abundant number, since it is smaller than the sum of its proper divisors (1311969892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1146142940 is a wasteful number, since it uses less digits than its factorization.

1146142940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219357 (or 1219355 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1146142940 is about 33854.7329039826. The cubic root of 1146142940 is about 1046.5169364477.

The spelling of 1146142940 in words is "one billion, one hundred forty-six million, one hundred forty-two thousand, nine hundred forty".