145195213 has 8 divisors (see below), whose sum is σ = 147453696. Its totient is φ = 142942800.

The previous prime is 145195201. The next prime is 145195241. The reversal of 145195213 is 312591541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145195213 is a prime.

It is a super-3 number, since 3×145195213³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145195273) 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, 76668 + ... + 78538.

It is an arithmetic number, because the mean of its divisors is an integer number (18431712).

Almost surely, 2^145195213 is an apocalyptic number.

It is an amenable number.

145195213 is a deficient number, since it is larger than the sum of its proper divisors (2258483).

145195213 is a wasteful number, since it uses less digits than its factorization.

145195213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035.

The product of its digits is 5400, while the sum is 31.

The square root of 145195213 is about 12049.6976310611. The cubic root of 145195213 is about 525.5944444340.

The spelling of 145195213 in words is "one hundred forty-five million, one hundred ninety-five thousand, two hundred thirteen".