145442212 has 12 divisors (see below), whose sum is σ = 254617216. Its totient is φ = 72694440.

The previous prime is 145442203. The next prime is 145442237. The reversal of 145442212 is 212244541.

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, 10537 + ... + 20047.

Almost surely, 2^145442212 is an apocalyptic number.

It is an amenable number.

145442212 is a deficient number, since it is larger than the sum of its proper divisors (109175004).

145442212 is a wasteful number, since it uses less digits than its factorization.

145442212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13338 (or 13336 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 145442212 is about 12059.9424542574. The cubic root of 145442212 is about 525.8923141176.

Adding to 145442212 its reverse (212244541), we get a palindrome (357686753).

The spelling of 145442212 in words is "one hundred forty-five million, four hundred forty-two thousand, two hundred twelve".