145681800807 has 8 divisors (see below), whose sum is σ = 194262670960. Its totient is φ = 97111065600.

The previous prime is 145681800793. The next prime is 145681800839. The reversal of 145681800807 is 708008186541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145681800807 - 2⁴ = 145681800791 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 (145681800307) 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, 2500132 + ... + 2557737.

It is an arithmetic number, because the mean of its divisors is an integer number (24282833870).

Almost surely, 2^145681800807 is an apocalyptic number.

145681800807 is a deficient number, since it is larger than the sum of its proper divisors (48580870153).

145681800807 is an equidigital number, since it uses as much as digits as its factorization.

145681800807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067473.

The product of its (nonzero) digits is 430080, while the sum is 48.

The spelling of 145681800807 in words is "one hundred forty-five billion, six hundred eighty-one million, eight hundred thousand, eight hundred seven".