145432212 has 48 divisors (see below), whose sum is σ = 366109632. Its totient is φ = 44761600.

The previous prime is 145432201. The next prime is 145432271. The reversal of 145432212 is 212234541.

It is a super-3 number, since 3×145432212³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4087 + ... + 17537.

It is an arithmetic number, because the mean of its divisors is an integer number (7627284).

Almost surely, 2^145432212 is an apocalyptic number.

145432212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145432212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183054816).

145432212 is an abundant number, since it is smaller than the sum of its proper divisors (220677420).

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

145432212 is a wasteful number, since it uses less digits than its factorization.

145432212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13528 (or 13526 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 145432212 is about 12059.5278514542. The cubic root of 145432212 is about 525.8802611205.

Adding to 145432212 its reverse (212234541), we get a palindrome (357666753).

The spelling of 145432212 in words is "one hundred forty-five million, four hundred thirty-two thousand, two hundred twelve".