1145145511646 has 8 divisors (see below), whose sum is σ = 1718014392144. Its totient is φ = 572474047600.

The previous prime is 1145145511553. The next prime is 1145145511691. The reversal of 1145145511646 is 6461155415411.

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

It is a super-2 number, since 2×1145145511646² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1145145511597 and 1145145511606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49339610 + ... + 49362813.

It is an arithmetic number, because the mean of its divisors is an integer number (214751799018).

Almost surely, 2^{1145145511646} is an apocalyptic number.

1145145511646 is a deficient number, since it is larger than the sum of its proper divisors (572868880498).

1145145511646 is an equidigital number, since it uses as much as digits as its factorization.

1145145511646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98708226.

The product of its digits is 288000, while the sum is 44.

The spelling of 1145145511646 in words is "one trillion, one hundred forty-five billion, one hundred forty-five million, five hundred eleven thousand, six hundred forty-six".