145422235 has 16 divisors (see below), whose sum is σ = 200448000. Its totient is φ = 99212256.

The previous prime is 145422229. The next prime is 145422283. The reversal of 145422235 is 532224541.

It is a cyclic number.

It is not a de Polignac number, because 145422235 - 2⁷ = 145422107 is a prime.

It is a super-2 number, since 2×145422235² = 42295252864790450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3475 + ... + 17404.

It is an arithmetic number, because the mean of its divisors is an integer number (12528000).

Almost surely, 2^145422235 is an apocalyptic number.

145422235 is a deficient number, since it is larger than the sum of its proper divisors (55025765).

145422235 is a wasteful number, since it uses less digits than its factorization.

145422235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21090.

The product of its digits is 9600, while the sum is 28.

The square root of 145422235 is about 12059.1141880322. The cubic root of 145422235 is about 525.8682352947.

Adding to 145422235 its reverse (532224541), we get a palindrome (677646776).

The spelling of 145422235 in words is "one hundred forty-five million, four hundred twenty-two thousand, two hundred thirty-five".