146500145 has 24 divisors (see below), whose sum is σ = 194022528. Its totient is φ = 106112160.

The previous prime is 146500139. The next prime is 146500147. The reversal of 146500145 is 541005641.

146500145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146500145 - 2¹⁴ = 146483761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146500147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279854 + ... + 280376.

It is an arithmetic number, because the mean of its divisors is an integer number (8084272).

Almost surely, 2^146500145 is an apocalyptic number.

It is an amenable number.

146500145 is a deficient number, since it is larger than the sum of its proper divisors (47522383).

146500145 is a wasteful number, since it uses less digits than its factorization.

146500145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 146500145 is about 12103.7244268035. The cubic root of 146500145 is about 527.1643320175.

Adding to 146500145 its reverse (541005641), we get a palindrome (687505786).

The spelling of 146500145 in words is "one hundred forty-six million, five hundred thousand, one hundred forty-five".