1145105740 has 48 divisors (see below), whose sum is σ = 2443186368. Its totient is φ = 450745344.

The previous prime is 1145105701. The next prime is 1145105743. The reversal of 1145105740 is 475015411.

It is a super-2 number, since 2×1145105740² = 2622534311561895200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145105699 and 1145105708.

It is not an unprimeable number, because it can be changed into a prime (1145105743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201104 + ... + 1202056.

It is an arithmetic number, because the mean of its divisors is an integer number (50899716).

Almost surely, 2^1145105740 is an apocalyptic number.

1145105740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145105740 is an abundant number, since it is smaller than the sum of its proper divisors (1298080628).

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

1145105740 is a wasteful number, since it uses less digits than its factorization.

1145105740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1145105740 is about 33839.4110468844. The cubic root of 1145105740 is about 1046.2011599659.

The spelling of 1145105740 in words is "one billion, one hundred forty-five million, one hundred five thousand, seven hundred forty".