145344221120653 has 8 divisors (see below), whose sum is σ = 145636978354560. Its totient is φ = 145051492157040.

The previous prime is 145344221120633. The next prime is 145344221120677. The reversal of 145344221120653 is 356021122443541.

It is a happy number.

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 145344221120653 - 2¹⁷ = 145344220989581 is a prime.

It is a super-2 number, since 2×145344221120653² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145344221120633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3240376 + ... + 17354782.

It is an arithmetic number, because the mean of its divisors is an integer number (18204622294320).

Almost surely, 2^{145344221120653} is an apocalyptic number.

It is an amenable number.

145344221120653 is a deficient number, since it is larger than the sum of its proper divisors (292757233907).

145344221120653 is a wasteful number, since it uses less digits than its factorization.

145344221120653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14135147.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 145344221120653 in words is "one hundred forty-five trillion, three hundred forty-four billion, two hundred twenty-one million, one hundred twenty thousand, six hundred fifty-three".