1145563510 has 128 divisors (see below), whose sum is σ = 2662087680. Its totient is φ = 345171456.

The previous prime is 1145563499. The next prime is 1145563537. The reversal of 1145563510 is 153655411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2190109 + ... + 2190631.

It is an arithmetic number, because the mean of its divisors is an integer number (20797560).

Almost surely, 2^1145563510 is an apocalyptic number.

1145563510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145563510 is an abundant number, since it is smaller than the sum of its proper divisors (1516524170).

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

1145563510 is a wasteful number, since it uses less digits than its factorization.

1145563510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1145563510 is about 33846.1742298890. The cubic root of 1145563510 is about 1046.3405519552.

The spelling of 1145563510 in words is "one billion, one hundred forty-five million, five hundred sixty-three thousand, five hundred ten".