145135622 has 4 divisors (see below), whose sum is σ = 217703436. Its totient is φ = 72567810.

The previous prime is 145135619. The next prime is 145135643. The reversal of 145135622 is 226531541.

145135622 is digitally balanced in base 3, 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.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36283904 + ... + 36283907.

It is an arithmetic number, because the mean of its divisors is an integer number (54425859).

Almost surely, 2^145135622 is an apocalyptic number.

145135622 is a deficient number, since it is larger than the sum of its proper divisors (72567814).

145135622 is an equidigital number, since it uses as much as digits as its factorization.

145135622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72567813.

The product of its digits is 7200, while the sum is 29.

The square root of 145135622 is about 12047.2246596467. The cubic root of 145135622 is about 525.5225297940.

It can be divided in two parts, 1451 and 35622, that added together give a palindrome (37073).

The spelling of 145135622 in words is "one hundred forty-five million, one hundred thirty-five thousand, six hundred twenty-two".