1545384087954 has 64 divisors (see below), whose sum is σ = 3963644340480. Its totient is φ = 437166633600.

The previous prime is 1545384087917. The next prime is 1545384088051. The reversal of 1545384087954 is 4597804835451.

It is a happy number.

1545384087954 is a `hidden beast` number, since 1 + 5 + 4 + 538 + 4 + 0 + 8 + 7 + 95 + 4 = 666.

It is a super-2 number, since 2×1545384087954² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 1545384087891 and 1545384087900.

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, 20201019 + ... + 20277374.

It is an arithmetic number, because the mean of its divisors is an integer number (61931942820).

Almost surely, 2^{1545384087954} is an apocalyptic number.

1545384087954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1545384087954 is an abundant number, since it is smaller than the sum of its proper divisors (2418260252526).

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

1545384087954 is a wasteful number, since it uses less digits than its factorization.

1545384087954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40478512 (or 40478506 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 63.

The spelling of 1545384087954 in words is "one trillion, five hundred forty-five billion, three hundred eighty-four million, eighty-seven thousand, nine hundred fifty-four".