145144022 has 8 divisors (see below), whose sum is σ = 220782672. Its totient is φ = 71549800.

The previous prime is 145144003. The next prime is 145144039. The reversal of 145144022 is 220441541.

145144022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510929 + ... + 511212.

It is an arithmetic number, because the mean of its divisors is an integer number (27597834).

Almost surely, 2^145144022 is an apocalyptic number.

145144022 is a deficient number, since it is larger than the sum of its proper divisors (75638650).

145144022 is a wasteful number, since it uses less digits than its factorization.

145144022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022214.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 145144022 is about 12047.5732826159. The cubic root of 145144022 is about 525.5326681369.

Adding to 145144022 its reverse (220441541), we get a palindrome (365585563).

The spelling of 145144022 in words is "one hundred forty-five million, one hundred forty-four thousand, twenty-two".