145552544211 has 16 divisors (see below), whose sum is σ = 197147131904. Its totient is φ = 95499147744.

The previous prime is 145552544209. The next prime is 145552544219. The reversal of 145552544211 is 112445255541.

It is not a de Polignac number, because 145552544211 - 2¹ = 145552544209 is a prime.

It is a super-2 number, since 2×145552544211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145552544211.

It is not an unprimeable number, because it can be changed into a prime (145552544219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111571 + ... + 550956.

It is an arithmetic number, because the mean of its divisors is an integer number (12321695744).

Almost surely, 2^145552544211 is an apocalyptic number.

145552544211 is a deficient number, since it is larger than the sum of its proper divisors (51594587693).

145552544211 is a wasteful number, since it uses less digits than its factorization.

145552544211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663690.

The product of its digits is 160000, while the sum is 39.

Adding to 145552544211 its reverse (112445255541), we get a palindrome (257997799752).

The spelling of 145552544211 in words is "one hundred forty-five billion, five hundred fifty-two million, five hundred forty-four thousand, two hundred eleven".