145270213 has 8 divisors (see below), whose sum is σ = 161163360. Its totient is φ = 129824880.

The previous prime is 145270187. The next prime is 145270249. The reversal of 145270213 is 312072541.

It is a happy number.

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 145270213 - 2²⁵ = 111715781 is a prime.

It is a super-2 number, since 2×145270213² = 42206869570130738, which contains 22 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 (145270283) 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, 111270 + ... + 112567.

It is an arithmetic number, because the mean of its divisors is an integer number (20145420).

Almost surely, 2^145270213 is an apocalyptic number.

It is an amenable number.

145270213 is a deficient number, since it is larger than the sum of its proper divisors (15893147).

145270213 is a wasteful number, since it uses less digits than its factorization.

145270213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223907.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 145270213 is about 12052.8093405645. The cubic root of 145270213 is about 525.6849267511.

The spelling of 145270213 in words is "one hundred forty-five million, two hundred seventy thousand, two hundred thirteen".