145632422 has 8 divisors (see below), whose sum is σ = 235252416. Its totient is φ = 67214952.

The previous prime is 145632371. The next prime is 145632439. The reversal of 145632422 is 224236541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800598 + ... + 2800649.

It is an arithmetic number, because the mean of its divisors is an integer number (29406552).

Almost surely, 2^145632422 is an apocalyptic number.

145632422 is a deficient number, since it is larger than the sum of its proper divisors (89619994).

145632422 is a wasteful number, since it uses less digits than its factorization.

145632422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601262.

The product of its digits is 11520, while the sum is 29.

The square root of 145632422 is about 12067.8259019593. The cubic root of 145632422 is about 526.1214690531.

Adding to 145632422 its reverse (224236541), we get a palindrome (369868963).

The spelling of 145632422 in words is "one hundred forty-five million, six hundred thirty-two thousand, four hundred twenty-two".