145025555253552 has 120 divisors (see below), whose sum is σ = 408575191046880. Its totient is φ = 48019687833600.

The previous prime is 145025555253461. The next prime is 145025555253577. The reversal of 145025555253552 is 255352555520541.

145025555253552 is a `hidden beast` number, since 1 + 4 + 5 + 0 + 2 + 5 + 5 + 5 + 52 + 535 + 52 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 570370224 + ... + 570624432.

It is an arithmetic number, because the mean of its divisors is an integer number (3404793258724).

Almost surely, 2^{145025555253552} is an apocalyptic number.

145025555253552 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 145025555253552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204287595523440).

145025555253552 is an abundant number, since it is smaller than the sum of its proper divisors (263549635793328).

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

145025555253552 is a wasteful number, since it uses less digits than its factorization.

145025555253552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280611 (or 280602 counting only the distinct ones).

The product of its (nonzero) digits is 37500000, while the sum is 54.

The spelling of 145025555253552 in words is "one hundred forty-five trillion, twenty-five billion, five hundred fifty-five million, two hundred fifty-three thousand, five hundred fifty-two".