145035435621 has 16 divisors (see below), whose sum is σ = 207222853824. Its totient is φ = 89906206464.

The previous prime is 145035435577. The next prime is 145035435631. The reversal of 145035435621 is 126534530541.

It is a happy number.

It is not a de Polignac number, because 145035435621 - 2¹⁰ = 145035434597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145035435621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145035435631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17127286 + ... + 17135751.

It is an arithmetic number, because the mean of its divisors is an integer number (12951428364).

Almost surely, 2^145035435621 is an apocalyptic number.

It is an amenable number.

145035435621 is a deficient number, since it is larger than the sum of its proper divisors (62187418203).

145035435621 is a wasteful number, since it uses less digits than its factorization.

145035435621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34263140.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 145035435621 in words is "one hundred forty-five billion, thirty-five million, four hundred thirty-five thousand, six hundred twenty-one".