145748922 has 32 divisors (see below), whose sum is σ = 336705984. Its totient is φ = 41568000.

The previous prime is 145748921. The next prime is 145748929. The reversal of 145748922 is 229847541.

It is not an unprimeable number, because it can be changed into a prime (145748921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63829 + ... + 66072.

It is an arithmetic number, because the mean of its divisors is an integer number (10522062).

Almost surely, 2^145748922 is an apocalyptic number.

145748922 is an abundant number, since it is smaller than the sum of its proper divisors (190957062).

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

145748922 is a wasteful number, since it uses less digits than its factorization.

145748922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129934.

The product of its digits is 161280, while the sum is 42.

The square root of 145748922 is about 12072.6518213688. The cubic root of 145748922 is about 526.2617235687.

The spelling of 145748922 in words is "one hundred forty-five million, seven hundred forty-eight thousand, nine hundred twenty-two".