1046640223545 has 128 divisors (see below), whose sum is σ = 2062801551360. Its totient is φ = 442447246080.

The previous prime is 1046640223501. The next prime is 1046640223549. The reversal of 1046640223545 is 5453220466401.

It is a happy number.

It is not a de Polignac number, because 1046640223545 - 2¹⁵ = 1046640190777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1046640223497 and 1046640223506.

It is not an unprimeable number, because it can be changed into a prime (1046640223549) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 172510602 + ... + 172516668.

It is an arithmetic number, because the mean of its divisors is an integer number (16115637120).

Almost surely, 2^{1046640223545} is an apocalyptic number.

1046640223545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1046640223545 is a deficient number, since it is larger than the sum of its proper divisors (1016161327815).

1046640223545 is a wasteful number, since it uses less digits than its factorization.

1046640223545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8155.

The product of its (nonzero) digits is 691200, while the sum is 42.

Adding to 1046640223545 its reverse (5453220466401), we get a palindrome (6499860689946).

The spelling of 1046640223545 in words is "one trillion, forty-six billion, six hundred forty million, two hundred twenty-three thousand, five hundred forty-five".