145502120001 has 8 divisors (see below), whose sum is σ = 221717516224. Its totient is φ = 83144068560.

The previous prime is 145502119991. The next prime is 145502120003. The reversal of 145502120001 is 100021205541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145502120001 - 2⁵ = 145502119969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6928672381 = 145502120001 / (1 + 4 + 5 + 5 + 0 + 2 + 1 + 2 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145502120001.

It is not an unprimeable number, because it can be changed into a prime (145502120003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3464336170 + ... + 3464336211.

It is an arithmetic number, because the mean of its divisors is an integer number (27714689528).

Almost surely, 2^145502120001 is an apocalyptic number.

It is an amenable number.

145502120001 is a deficient number, since it is larger than the sum of its proper divisors (76215396223).

145502120001 is an equidigital number, since it uses as much as digits as its factorization.

145502120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928672391.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 145502120001 its reverse (100021205541), we get a palindrome (245523325542).

The spelling of 145502120001 in words is "one hundred forty-five billion, five hundred two million, one hundred twenty thousand, one".