1145421510540 has 96 divisors (see below), whose sum is σ = 3376376075520. Its totient is φ = 289335626496.

The previous prime is 1145421510523. The next prime is 1145421510553. The reversal of 1145421510540 is 450151245411.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10464334 + ... + 10573226.

It is an arithmetic number, because the mean of its divisors is an integer number (35170584120).

Almost surely, 2^{1145421510540} is an apocalyptic number.

1145421510540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145421510540 is an abundant number, since it is smaller than the sum of its proper divisors (2230954564980).

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

1145421510540 is a wasteful number, since it uses less digits than its factorization.

1145421510540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118151 (or 118149 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

Adding to 1145421510540 its reverse (450151245411), we get a palindrome (1595572755951).

The spelling of 1145421510540 in words is "one trillion, one hundred forty-five billion, four hundred twenty-one million, five hundred ten thousand, five hundred forty".