145513021120 has 28 divisors (see below), whose sum is σ = 346502882304. Its totient is φ = 58205208320.

The previous prime is 145513021091. The next prime is 145513021189. The reversal of 145513021120 is 21120315541.

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, 227363776 + ... + 227364415.

Almost surely, 2^145513021120 is an apocalyptic number.

145513021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145513021120 is an abundant number, since it is smaller than the sum of its proper divisors (200989861184).

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

145513021120 is an equidigital number, since it uses as much as digits as its factorization.

145513021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454728208 (or 454728198 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 145513021120 its reverse (21120315541), we get a palindrome (166633336661).

The spelling of 145513021120 in words is "one hundred forty-five billion, five hundred thirteen million, twenty-one thousand, one hundred twenty".