145355212 has 6 divisors (see below), whose sum is σ = 254371628. Its totient is φ = 72677604.

The previous prime is 145355201. The next prime is 145355233. The reversal of 145355212 is 212553541.

145355212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145355212² = 42256275311129888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18169398 + ... + 18169405.

Almost surely, 2^145355212 is an apocalyptic number.

It is an amenable number.

145355212 is a deficient number, since it is larger than the sum of its proper divisors (109016416).

145355212 is a wasteful number, since it uses less digits than its factorization.

145355212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36338807 (or 36338805 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 145355212 is about 12056.3349323084. The cubic root of 145355212 is about 525.7874345313.

It can be divided in two parts, 1453 and 55212, that added together give a palindrome (56665).

The spelling of 145355212 in words is "one hundred forty-five million, three hundred fifty-five thousand, two hundred twelve".