145230135623 has 8 divisors (see below), whose sum is σ = 145420575600. Its totient is φ = 145039799808.

The previous prime is 145230135587. The next prime is 145230135641. The reversal of 145230135623 is 326531032541.

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 a de Polignac number, because none of the positive numbers 2^k-145230135623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145230135223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2989415 + ... + 3037607.

It is an arithmetic number, because the mean of its divisors is an integer number (18177571950).

Almost surely, 2^145230135623 is an apocalyptic number.

145230135623 is a deficient number, since it is larger than the sum of its proper divisors (190439977).

145230135623 is a wasteful number, since it uses less digits than its factorization.

145230135623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52081.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 145230135623 in words is "one hundred forty-five billion, two hundred thirty million, one hundred thirty-five thousand, six hundred twenty-three".