145230012 has 18 divisors (see below), whose sum is σ = 367109288. Its totient is φ = 48409992.

The previous prime is 145230011. The next prime is 145230037. The reversal of 145230012 is 210032541.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145230011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2017048 + ... + 2017119.

Almost surely, 2^145230012 is an apocalyptic number.

145230012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145230012 is an abundant number, since it is smaller than the sum of its proper divisors (221879276).

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

145230012 is a wasteful number, since it uses less digits than its factorization.

145230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034177 (or 4034172 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 145230012 is about 12051.1415226940. The cubic root of 145230012 is about 525.6364308964.

Adding to 145230012 its reverse (210032541), we get a palindrome (355262553).

The spelling of 145230012 in words is "one hundred forty-five million, two hundred thirty thousand, twelve".