145151212 has 24 divisors (see below), whose sum is σ = 260141616. Its totient is φ = 70844928.

The previous prime is 145151191. The next prime is 145151231. The reversal of 145151212 is 212151541.

145151212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 27888 + ... + 32680.

It is an arithmetic number, because the mean of its divisors is an integer number (10839234).

Almost surely, 2^145151212 is an apocalyptic number.

It is an amenable number.

145151212 is a deficient number, since it is larger than the sum of its proper divisors (114990404).

145151212 is a wasteful number, since it uses less digits than its factorization.

145151212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4977 (or 4975 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 145151212 is about 12047.8716792635. The cubic root of 145151212 is about 525.5413457649.

The spelling of 145151212 in words is "one hundred forty-five million, one hundred fifty-one thousand, two hundred twelve".