145955806 has 8 divisors (see below), whose sum is σ = 218985264. Its totient is φ = 72960720.

The previous prime is 145955791. The next prime is 145955809. The reversal of 145955806 is 608559541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145955809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10591 + ... + 20101.

It is an arithmetic number, because the mean of its divisors is an integer number (27373158).

Almost surely, 2^145955806 is an apocalyptic number.

145955806 is a deficient number, since it is larger than the sum of its proper divisors (73029458).

145955806 is an equidigital number, since it uses as much as digits as its factorization.

145955806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186.

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 145955806 is about 12081.2170744507. The cubic root of 145955806 is about 526.5106074142.

The spelling of 145955806 in words is "one hundred forty-five million, nine hundred fifty-five thousand, eight hundred six".