145541524452 has 12 divisors (see below), whose sum is σ = 339596890416. Its totient is φ = 48513841480.

The previous prime is 145541524423. The next prime is 145541524463. The reversal of 145541524452 is 254425145541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×145541524452² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6064230174 + ... + 6064230197.

It is an arithmetic number, because the mean of its divisors is an integer number (28299740868).

Almost surely, 2^145541524452 is an apocalyptic number.

145541524452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145541524452 is an abundant number, since it is smaller than the sum of its proper divisors (194055365964).

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

145541524452 is a wasteful number, since it uses less digits than its factorization.

145541524452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128460378 (or 12128460376 counting only the distinct ones).

The product of its digits is 640000, while the sum is 42.

Adding to 145541524452 its reverse (254425145541), we get a palindrome (399966669993).

The spelling of 145541524452 in words is "one hundred forty-five billion, five hundred forty-one million, five hundred twenty-four thousand, four hundred fifty-two".