1401403232045 has 8 divisors (see below), whose sum is σ = 1686988876824. Its totient is φ = 1117585920064.

The previous prime is 1401403231981. The next prime is 1401403232081. The reversal of 1401403232045 is 5402323041041.

It can be written as a sum of positive squares in 4 ways, for example, as 917968804 + 1400485263241 = 30298^2 + 1183421^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1401403232045 - 2⁶ = 1401403231981 is a prime.

It is a super-2 number, since 2×1401403232045² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1401403231999 and 1401403232017.

It is a congruent number.

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, 442081454 + ... + 442084623.

It is an arithmetic number, because the mean of its divisors is an integer number (210873609603).

Almost surely, 2^{1401403232045} is an apocalyptic number.

It is an amenable number.

1401403232045 is a deficient number, since it is larger than the sum of its proper divisors (285585644779).

1401403232045 is an equidigital number, since it uses as much as digits as its factorization.

1401403232045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884166399.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1401403232045 its reverse (5402323041041), we get a palindrome (6803726273086).

The spelling of 1401403232045 in words is "one trillion, four hundred one billion, four hundred three million, two hundred thirty-two thousand, forty-five".