145642622 has 16 divisors (see below), whose sum is σ = 224683632. Its totient is φ = 70774080.

The previous prime is 145642589. The next prime is 145642643. The reversal of 145642622 is 226246541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4922 + ... + 17762.

It is an arithmetic number, because the mean of its divisors is an integer number (14042727).

Almost surely, 2^145642622 is an apocalyptic number.

145642622 is a deficient number, since it is larger than the sum of its proper divisors (79041010).

145642622 is a wasteful number, since it uses less digits than its factorization.

145642622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13003.

The product of its digits is 23040, while the sum is 32.

The square root of 145642622 is about 12068.2485058935. The cubic root of 145642622 is about 526.1337518347.

The spelling of 145642622 in words is "one hundred forty-five million, six hundred forty-two thousand, six hundred twenty-two".