145554243102 has 48 divisors (see below), whose sum is σ = 320076383328. Its totient is φ = 47794783680.

The previous prime is 145554243061. The next prime is 145554243127. The reversal of 145554243102 is 201342455541.

145554243102 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 542 + 4 + 3 + 102 = 666.

It is a super-2 number, since 2×145554243102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1503268 + ... + 1597160.

It is an arithmetic number, because the mean of its divisors is an integer number (6668257986).

Almost surely, 2^145554243102 is an apocalyptic number.

145554243102 is an abundant number, since it is smaller than the sum of its proper divisors (174522140226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145554243102 is a wasteful number, since it uses less digits than its factorization.

145554243102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95185 (or 95182 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 145554243102 its reverse (201342455541), we get a palindrome (346896698643).

The spelling of 145554243102 in words is "one hundred forty-five billion, five hundred fifty-four million, two hundred forty-three thousand, one hundred two".