145633553665 has 8 divisors (see below), whose sum is σ = 176136330240. Its totient is φ = 115589465712.

The previous prime is 145633553641. The next prime is 145633553669. The reversal of 145633553665 is 566355336541.

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 145633553665 - 2¹¹ = 145633551617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145633553669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114671455 + ... + 114672724.

It is an arithmetic number, because the mean of its divisors is an integer number (22017041280).

Almost surely, 2^145633553665 is an apocalyptic number.

It is an amenable number.

145633553665 is a deficient number, since it is larger than the sum of its proper divisors (30502776575).

145633553665 is a wasteful number, since it uses less digits than its factorization.

145633553665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229344311.

The product of its digits is 14580000, while the sum is 52.

The spelling of 145633553665 in words is "one hundred forty-five billion, six hundred thirty-three million, five hundred fifty-three thousand, six hundred sixty-five".