1147145810 has 16 divisors (see below), whose sum is σ = 2074652352. Its totient is φ = 456682800.

The previous prime is 1147145803. The next prime is 1147145819. The reversal of 1147145810 is 185417411.

It is a super-2 number, since 2×1147145810² = 2631887018801112200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1147145819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269726 + ... + 273945.

It is an arithmetic number, because the mean of its divisors is an integer number (129665772).

Almost surely, 2^1147145810 is an apocalyptic number.

1147145810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1147145810 is a deficient number, since it is larger than the sum of its proper divisors (927506542).

1147145810 is a wasteful number, since it uses less digits than its factorization.

1147145810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543889.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 1147145810 is about 33869.5410361581. The cubic root of 1147145810 is about 1046.8220800278.

The spelling of 1147145810 in words is "one billion, one hundred forty-seven million, one hundred forty-five thousand, eight hundred ten".