1145041870854 has 24 divisors (see below), whose sum is σ = 2663974965528. Its totient is φ = 327154820160.

The previous prime is 1145041870829. The next prime is 1145041870877. The reversal of 1145041870854 is 4580781405411.

It is a super-2 number, since 2×1145041870854² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1947349827 + ... + 1947350414.

It is an arithmetic number, because the mean of its divisors is an integer number (110998956897).

Almost surely, 2^{1145041870854} is an apocalyptic number.

1145041870854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1145041870854 is an abundant number, since it is smaller than the sum of its proper divisors (1518933094674).

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

1145041870854 is a wasteful number, since it uses less digits than its factorization.

1145041870854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894700260 (or 3894700253 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 48.

The spelling of 1145041870854 in words is "one trillion, one hundred forty-five billion, forty-one million, eight hundred seventy thousand, eight hundred fifty-four".