1045661252145 has 8 divisors (see below), whose sum is σ = 1673058003456. Its totient is φ = 557686001136.

The previous prime is 1045661252101. The next prime is 1045661252159. The reversal of 1045661252145 is 5412521665401.

It is a happy number.

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

It is not a de Polignac number, because 1045661252145 - 2⁶ = 1045661252081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1045661252097 and 1045661252106.

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, 34855375057 + ... + 34855375086.

It is an arithmetic number, because the mean of its divisors is an integer number (209132250432).

Almost surely, 2^{1045661252145} is an apocalyptic number.

1045661252145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045661252145 is a deficient number, since it is larger than the sum of its proper divisors (627396751311).

1045661252145 is an equidigital number, since it uses as much as digits as its factorization.

1045661252145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69710750151.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 1045661252145 in words is "one trillion, forty-five billion, six hundred sixty-one million, two hundred fifty-two thousand, one hundred forty-five".