145834213 has 16 divisors (see below), whose sum is σ = 170311680. Its totient is φ = 122295600.

The previous prime is 145834201. The next prime is 145834229. The reversal of 145834213 is 312438541.

It is a de Polignac number, because none of the positive numbers 2^k-145834213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145834613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68028 + ... + 70138.

It is an arithmetic number, because the mean of its divisors is an integer number (10644480).

Almost surely, 2^145834213 is an apocalyptic number.

It is an amenable number.

145834213 is a deficient number, since it is larger than the sum of its proper divisors (24477467).

145834213 is a wasteful number, since it uses less digits than its factorization.

145834213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328.

The product of its digits is 11520, while the sum is 31.

The square root of 145834213 is about 12076.1837100965. The cubic root of 145834213 is about 526.3643581437.

The spelling of 145834213 in words is "one hundred forty-five million, eight hundred thirty-four thousand, two hundred thirteen".