145002222 has 24 divisors (see below), whose sum is σ = 314408640. Its totient is φ = 48297600.

The previous prime is 145002211. The next prime is 145002239. The reversal of 145002222 is 222200541.

145002222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 145002195 and 145002204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33054 + ... + 37182.

It is an arithmetic number, because the mean of its divisors is an integer number (13100360).

Almost surely, 2^145002222 is an apocalyptic number.

145002222 is an abundant number, since it is smaller than the sum of its proper divisors (169406418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145002222 is a wasteful number, since it uses less digits than its factorization.

145002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088 (or 6085 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 145002222 is about 12041.6868419670. The cubic root of 145002222 is about 525.3614707924.

Adding to 145002222 its reverse (222200541), we get a palindrome (367202763).

The spelling of 145002222 in words is "one hundred forty-five million, two thousand, two hundred twenty-two".