145902861806 has 16 divisors (see below), whose sum is σ = 235704591024. Its totient is φ = 67335395904.

The previous prime is 145902861803. The next prime is 145902861809. The reversal of 145902861806 is 608168209541.

It is an interprime number because it is at equal distance from previous prime (145902861803) and next prime (145902861809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145902861803) 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, 242741 + ... + 592223.

It is an arithmetic number, because the mean of its divisors is an integer number (14731536939).

Almost surely, 2^145902861806 is an apocalyptic number.

145902861806 is a deficient number, since it is larger than the sum of its proper divisors (89801729218).

145902861806 is a wasteful number, since it uses less digits than its factorization.

145902861806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365555.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 145902861806 in words is "one hundred forty-five billion, nine hundred two million, eight hundred sixty-one thousand, eight hundred six".