145473658 has 64 divisors (see below), whose sum is σ = 264539520. Its totient is φ = 59238400.

The previous prime is 145473637. The next prime is 145473659. The reversal of 145473658 is 856374541.

It is not an unprimeable number, because it can be changed into a prime (145473659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 812613 + ... + 812791.

It is an arithmetic number, because the mean of its divisors is an integer number (4133430).

Almost surely, 2^145473658 is an apocalyptic number.

145473658 is a deficient number, since it is larger than the sum of its proper divisors (119065862).

145473658 is a wasteful number, since it uses less digits than its factorization.

145473658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303.

The product of its digits is 403200, while the sum is 43.

The square root of 145473658 is about 12061.2461213591. The cubic root of 145473658 is about 525.9302123723.

The spelling of 145473658 in words is "one hundred forty-five million, four hundred seventy-three thousand, six hundred fifty-eight".