145415230211 has 8 divisors (see below), whose sum is σ = 153072595200. Its totient is φ = 137758258440.

The previous prime is 145415230189. The next prime is 145415230223. The reversal of 145415230211 is 112032514541.

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 a de Polignac number, because none of the positive numbers 2^k-145415230211 is a prime.

It is a super-2 number, since 2×145415230211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145415230271) 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, 944546 + ... + 1087656.

It is an arithmetic number, because the mean of its divisors is an integer number (19134074400).

Almost surely, 2^145415230211 is an apocalyptic number.

145415230211 is a deficient number, since it is larger than the sum of its proper divisors (7657364989).

145415230211 is a wasteful number, since it uses less digits than its factorization.

145415230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196609.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 145415230211 its reverse (112032514541), we get a palindrome (257447744752).

The spelling of 145415230211 in words is "one hundred forty-five billion, four hundred fifteen million, two hundred thirty thousand, two hundred eleven".