145215251035452 has 72 divisors (see below), whose sum is σ = 399002652515376. Its totient is φ = 44264030494464.

The previous prime is 145215251035451. The next prime is 145215251035487. The reversal of 145215251035452 is 254530152512541.

145215251035452 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 1 + 52 + 51 + 0 + 3 + 545 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 145215251035398 and 145215251035407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145215251035451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1449898513 + ... + 1449998664.

It is an arithmetic number, because the mean of its divisors is an integer number (5541703507158).

Almost surely, 2^{145215251035452} is an apocalyptic number.

145215251035452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145215251035452 is an abundant number, since it is smaller than the sum of its proper divisors (253787401479924).

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

145215251035452 is a wasteful number, since it uses less digits than its factorization.

145215251035452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899897307 (or 2899897302 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

The spelling of 145215251035452 in words is "one hundred forty-five trillion, two hundred fifteen billion, two hundred fifty-one million, thirty-five thousand, four hundred fifty-two".