145473546 has 16 divisors (see below), whose sum is σ = 291259584. Its totient is φ = 48439104.

The previous prime is 145473511. The next prime is 145473553. The reversal of 145473546 is 645374541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6735 + ... + 18338.

It is an arithmetic number, because the mean of its divisors is an integer number (18203724).

Almost surely, 2^145473546 is an apocalyptic number.

145473546 is an abundant number, since it is smaller than the sum of its proper divisors (145786038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145473546 is a wasteful number, since it uses less digits than its factorization.

145473546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26045.

The product of its digits is 201600, while the sum is 39.

The square root of 145473546 is about 12061.2414783885. The cubic root of 145473546 is about 525.9300774013.

The spelling of 145473546 in words is "one hundred forty-five million, four hundred seventy-three thousand, five hundred forty-six".