145032222 has 16 divisors (see below), whose sum is σ = 292349952. Its totient is φ = 47963160.

The previous prime is 145032191. The next prime is 145032233. The reversal of 145032222 is 222230541.

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, 94404 + ... + 95927.

It is an arithmetic number, because the mean of its divisors is an integer number (18271872).

Almost surely, 2^145032222 is an apocalyptic number.

145032222 is an abundant number, since it is smaller than the sum of its proper divisors (147317730).

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

145032222 is a wasteful number, since it uses less digits than its factorization.

145032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190463.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 145032222 is about 12042.9324501967. The cubic root of 145032222 is about 525.3976995644.

Adding to 145032222 its reverse (222230541), we get a palindrome (367262763).

The spelling of 145032222 in words is "one hundred forty-five million, thirty-two thousand, two hundred twenty-two".