145811459801 has 16 divisors (see below), whose sum is σ = 175840761600. Its totient is φ = 118204044288.

The previous prime is 145811459797. The next prime is 145811459831. The reversal of 145811459801 is 108954118541.

145811459801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145811459801 - 2² = 145811459797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145811459831) 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 15 ways as a sum of consecutive naturals, for example, 5073656 + ... + 5102313.

It is an arithmetic number, because the mean of its divisors is an integer number (10990047600).

Almost surely, 2^145811459801 is an apocalyptic number.

It is an amenable number.

145811459801 is a deficient number, since it is larger than the sum of its proper divisors (30029301799).

145811459801 is a wasteful number, since it uses less digits than its factorization.

145811459801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10176088.

The product of its (nonzero) digits is 230400, while the sum is 47.

The spelling of 145811459801 in words is "one hundred forty-five billion, eight hundred eleven million, four hundred fifty-nine thousand, eight hundred one".