145540344202452 has 36 divisors (see below), whose sum is σ = 367918394852736. Its totient is φ = 48510184725840.

The previous prime is 145540344202399. The next prime is 145540344202453. The reversal of 145540344202452 is 254202443045541.

145540344202452 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 40 + 344 + 20 + 245 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 145540344202398 and 145540344202407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145540344202453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135429924 + ... + 136500347.

It is an arithmetic number, because the mean of its divisors is an integer number (10219955412576).

Almost surely, 2^{145540344202452} is an apocalyptic number.

145540344202452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145540344202452 is an abundant number, since it is smaller than the sum of its proper divisors (222378050650284).

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

145540344202452 is a wasteful number, since it uses less digits than its factorization.

145540344202452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271945148 (or 271945143 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 45.

Adding to 145540344202452 its reverse (254202443045541), we get a palindrome (399742787247993).

The spelling of 145540344202452 in words is "one hundred forty-five trillion, five hundred forty billion, three hundred forty-four million, two hundred two thousand, four hundred fifty-two".