145356215211 has 12 divisors (see below), whose sum is σ = 210175219800. Its totient is φ = 96804339360.

The previous prime is 145356215203. The next prime is 145356215233. The reversal of 145356215211 is 112512653541.

145356215211 is a `hidden beast` number, since 1 + 4 + 5 + 3 + 5 + 621 + 5 + 21 + 1 = 666.

It is not a de Polignac number, because 145356215211 - 2³ = 145356215203 is a prime.

It is a super-2 number, since 2×145356215211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145356215311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8307786 + ... + 8325263.

It is an arithmetic number, because the mean of its divisors is an integer number (17514601650).

Almost surely, 2^145356215211 is an apocalyptic number.

145356215211 is a deficient number, since it is larger than the sum of its proper divisors (64819004589).

145356215211 is a wasteful number, since it uses less digits than its factorization.

145356215211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16634026 (or 16634023 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

Adding to 145356215211 its reverse (112512653541), we get a palindrome (257868868752).

The spelling of 145356215211 in words is "one hundred forty-five billion, three hundred fifty-six million, two hundred fifteen thousand, two hundred eleven".