1145206146655 has 8 divisors (see below), whose sum is σ = 1406206617552. Its totient is φ = 894858756288.

The previous prime is 1145206146647. The next prime is 1145206146671. The reversal of 1145206146655 is 5566416025411.

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 1145206146655 - 2³ = 1145206146647 is a prime.

It is a super-2 number, since 2×1145206146655² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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, 2663269894 + ... + 2663270323.

It is an arithmetic number, because the mean of its divisors is an integer number (175775827194).

Almost surely, 2^{1145206146655} is an apocalyptic number.

1145206146655 is a deficient number, since it is larger than the sum of its proper divisors (261000470897).

1145206146655 is an equidigital number, since it uses as much as digits as its factorization.

1145206146655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326540265.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 1145206146655 in words is "one trillion, one hundred forty-five billion, two hundred six million, one hundred forty-six thousand, six hundred fifty-five".