1545140040252 has 24 divisors (see below), whose sum is σ = 3605432082000. Its totient is φ = 515031634176.

The previous prime is 1545140040221. The next prime is 1545140040281. The reversal of 1545140040252 is 2520400415451.

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 7 ways as a sum of consecutive naturals, for example, 1448877 + ... + 2278052.

It is an arithmetic number, because the mean of its divisors is an integer number (150226336750).

Almost surely, 2^{1545140040252} is an apocalyptic number.

1545140040252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1545140040252 is an abundant number, since it is smaller than the sum of its proper divisors (2060292041748).

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

1545140040252 is a wasteful number, since it uses less digits than its factorization.

1545140040252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761485 (or 3761483 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 1545140040252 in words is "one trillion, five hundred forty-five billion, one hundred forty million, forty thousand, two hundred fifty-two".