145545122 has 8 divisors (see below), whose sum is σ = 218462400. Its totient is φ = 72724324.

The previous prime is 145545107. The next prime is 145545131. The reversal of 145545122 is 221545541.

145545122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20222 + ... + 26457.

It is an arithmetic number, because the mean of its divisors is an integer number (27307800).

Almost surely, 2^145545122 is an apocalyptic number.

145545122 is a deficient number, since it is larger than the sum of its proper divisors (72917278).

145545122 is a wasteful number, since it uses less digits than its factorization.

145545122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48240.

The product of its digits is 8000, while the sum is 29.

The square root of 145545122 is about 12064.2083039046. The cubic root of 145545122 is about 526.0163194251.

The spelling of 145545122 in words is "one hundred forty-five million, five hundred forty-five thousand, one hundred twenty-two".