145512052000 has 96 divisors (see below), whose sum is σ = 408597920640. Its totient is φ = 49889836800.

The previous prime is 145512051983. The next prime is 145512052001. The reversal of 145512052000 is 250215541.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (145512052001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2570430 + ... + 2626429.

It is an arithmetic number, because the mean of its divisors is an integer number (4256228340).

Almost surely, 2^145512052000 is an apocalyptic number.

145512052000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145512052000 is an abundant number, since it is smaller than the sum of its proper divisors (263085868640).

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

145512052000 is an equidigital number, since it uses as much as digits as its factorization.

145512052000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5196891 (or 5196873 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

Adding to 145512052000 its reverse (250215541), we get a palindrome (145762267541).

The spelling of 145512052000 in words is "one hundred forty-five billion, five hundred twelve million, fifty-two thousand".