145134226 has 4 divisors (see below), whose sum is σ = 217701342. Its totient is φ = 72567112.

The previous prime is 145134221. The next prime is 145134229. The reversal of 145134226 is 622431541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 140067225 + 5067001 = 11835^2 + 2251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145134194 and 145134203.

It is not an unprimeable number, because it can be changed into a prime (145134221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36283555 + ... + 36283558.

Almost surely, 2^145134226 is an apocalyptic number.

145134226 is a deficient number, since it is larger than the sum of its proper divisors (72567116).

145134226 is an equidigital number, since it uses as much as digits as its factorization.

145134226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72567115.

The product of its digits is 5760, while the sum is 28.

The square root of 145134226 is about 12047.1667208518. The cubic root of 145134226 is about 525.5208448601.

Adding to 145134226 its reverse (622431541), we get a palindrome (767565767).

The spelling of 145134226 in words is "one hundred forty-five million, one hundred thirty-four thousand, two hundred twenty-six".