1501401400145 has 8 divisors (see below), whose sum is σ = 1845625136040. Its totient is φ = 1171825482880.

The previous prime is 1501401400139. The next prime is 1501401400153. The reversal of 1501401400145 is 5410041041051.

It can be written as a sum of positive squares in 4 ways, for example, as 14877168784 + 1486524231361 = 121972^2 + 1219231^2 .

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

It is not a de Polignac number, because 1501401400145 - 2¹⁸ = 1501401138001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3661954430 + ... + 3661954839.

It is an arithmetic number, because the mean of its divisors is an integer number (230703142005).

Almost surely, 2^{1501401400145} is an apocalyptic number.

It is an amenable number.

1501401400145 is a deficient number, since it is larger than the sum of its proper divisors (344223735895).

1501401400145 is an equidigital number, since it uses as much as digits as its factorization.

1501401400145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7323909315.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 1501401400145 its reverse (5410041041051), we get a palindrome (6911442441196).

The spelling of 1501401400145 in words is "one trillion, five hundred one billion, four hundred one million, four hundred thousand, one hundred forty-five".