145152222 has 16 divisors (see below), whose sum is σ = 307381392. Its totient is φ = 45537920.

The previous prime is 145152193. The next prime is 145152263. The reversal of 145152222 is 222251541.

It is a junction number, because it is equal to n+sod(n) for n = 145152192 and 145152201.

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, 711429 + ... + 711632.

It is an arithmetic number, because the mean of its divisors is an integer number (19211337).

Almost surely, 2^145152222 is an apocalyptic number.

145152222 is an abundant number, since it is smaller than the sum of its proper divisors (162229170).

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

145152222 is a wasteful number, since it uses less digits than its factorization.

145152222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423083.

The product of its digits is 1600, while the sum is 24.

The square root of 145152222 is about 12047.9135953077. The cubic root of 145152222 is about 525.5425647133.

The spelling of 145152222 in words is "one hundred forty-five million, one hundred fifty-two thousand, two hundred twenty-two".