145348922 has 4 divisors (see below), whose sum is σ = 218023386. Its totient is φ = 72674460.

The previous prime is 145348921. The next prime is 145348961. The reversal of 145348922 is 229843541.

145348922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229843541 = 14173 ⋅16217.

It can be written as a sum of positive squares in only one way, i.e., 138321121 + 7027801 = 11761^2 + 2651^2 .

It is a super-2 number, since 2×145348922² = 42252618253124168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145348921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36337229 + ... + 36337232.

Almost surely, 2^145348922 is an apocalyptic number.

145348922 is a deficient number, since it is larger than the sum of its proper divisors (72674464).

145348922 is an equidigital number, since it uses as much as digits as its factorization.

145348922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72674463.

The product of its digits is 69120, while the sum is 38.

The square root of 145348922 is about 12056.0740707744. The cubic root of 145348922 is about 525.7798502357.

The spelling of 145348922 in words is "one hundred forty-five million, three hundred forty-eight thousand, nine hundred twenty-two".