145041213 has 8 divisors (see below), whose sum is σ = 194198400. Its totient is φ = 96289088.

The previous prime is 145041199. The next prime is 145041217. The reversal of 145041213 is 312140541.

145041213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145041213 - 2¹² = 145037117 is a prime.

It is a super-2 number, since 2×145041213² = 42073906937022738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145041213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145041217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100428 + ... + 101861.

It is an arithmetic number, because the mean of its divisors is an integer number (24274800).

Almost surely, 2^145041213 is an apocalyptic number.

It is an amenable number.

145041213 is a deficient number, since it is larger than the sum of its proper divisors (49157187).

145041213 is a wasteful number, since it uses less digits than its factorization.

145041213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202531.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 145041213 is about 12043.3057338922. The cubic root of 145041213 is about 525.4085563543.

Adding to 145041213 its reverse (312140541), we get a palindrome (457181754).

The spelling of 145041213 in words is "one hundred forty-five million, forty-one thousand, two hundred thirteen".