1542453234552 has 128 divisors (see below), whose sum is σ = 4346375040000. Its totient is φ = 506759804928.

The previous prime is 1542453234541. The next prime is 1542453234557. The reversal of 1542453234552 is 2554323542451.

1542453234552 is a `hidden beast` number, since 1 + 5 + 4 + 24 + 53 + 23 + 4 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1542453234498 and 1542453234507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542453234557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9767599 + ... + 9924257.

It is an arithmetic number, because the mean of its divisors is an integer number (33956055000).

Almost surely, 2^{1542453234552} is an apocalyptic number.

1542453234552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542453234552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2173187520000).

1542453234552 is an abundant number, since it is smaller than the sum of its proper divisors (2803921805448).

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

1542453234552 is a wasteful number, since it uses less digits than its factorization.

1542453234552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157330 (or 157320 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 45.

The spelling of 1542453234552 in words is "one trillion, five hundred forty-two billion, four hundred fifty-three million, two hundred thirty-four thousand, five hundred fifty-two".