1145963906 has 8 divisors (see below), whose sum is σ = 1722090000. Its totient is φ = 571933908.

The previous prime is 1145963893. The next prime is 1145963921. The reversal of 1145963906 is 6093695411.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522656 + ... + 524843.

It is an arithmetic number, because the mean of its divisors is an integer number (215261250).

Almost surely, 2^1145963906 is an apocalyptic number.

1145963906 is a deficient number, since it is larger than the sum of its proper divisors (576126094).

1145963906 is a wasteful number, since it uses less digits than its factorization.

1145963906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048048.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 1145963906 is about 33852.0886504806. The cubic root of 1145963906 is about 1046.4624429917.

The spelling of 1145963906 in words is "one billion, one hundred forty-five million, nine hundred sixty-three thousand, nine hundred six".