145232012 has 6 divisors (see below), whose sum is σ = 254156028. Its totient is φ = 72616004.

The previous prime is 145231997. The next prime is 145232039. The reversal of 145232012 is 210232541.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18153998 + ... + 18154005.

It is an arithmetic number, because the mean of its divisors is an integer number (42359338).

Almost surely, 2^145232012 is an apocalyptic number.

It is an amenable number.

145232012 is a deficient number, since it is larger than the sum of its proper divisors (108924016).

145232012 is a wasteful number, since it uses less digits than its factorization.

145232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36308007 (or 36308005 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 145232012 is about 12051.2245020994. The cubic root of 145232012 is about 525.6388437770.

Adding to 145232012 its reverse (210232541), we get a palindrome (355464553).

The spelling of 145232012 in words is "one hundred forty-five million, two hundred thirty-two thousand, twelve".