145245212 has 36 divisors (see below), whose sum is σ = 313077744. Its totient is φ = 58584960.

The previous prime is 145245173. The next prime is 145245223. The reversal of 145245212 is 212542541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18464 + ... + 25127.

It is an arithmetic number, because the mean of its divisors is an integer number (8696604).

Almost surely, 2^145245212 is an apocalyptic number.

It is an amenable number.

145245212 is an abundant number, since it is smaller than the sum of its proper divisors (167832532).

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

145245212 is a wasteful number, since it uses less digits than its factorization.

145245212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43626 (or 43617 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 145245212 is about 12051.7721518456. The cubic root of 145245212 is about 525.6547682334.

Adding to 145245212 its reverse (212542541), we get a palindrome (357787753).

It can be divided in two parts, 1452 and 45212, that added together give a palindrome (46664).

The spelling of 145245212 in words is "one hundred forty-five million, two hundred forty-five thousand, two hundred twelve".