145040042108 has 24 divisors (see below), whose sum is σ = 274218031248. Its totient is φ = 66727679616.

The previous prime is 145040042107. The next prime is 145040042129. The reversal of 145040042108 is 801240040541.

It is a super-2 number, since 2×145040042108² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145040042107) 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, 4439366 + ... + 4471917.

It is an arithmetic number, because the mean of its divisors is an integer number (11425751302).

Almost surely, 2^145040042108 is an apocalyptic number.

It is an amenable number.

145040042108 is a deficient number, since it is larger than the sum of its proper divisors (129177989140).

145040042108 is a wasteful number, since it uses less digits than its factorization.

145040042108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8911613 (or 8911611 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 145040042108 its reverse (801240040541), we get a palindrome (946280082649).

The spelling of 145040042108 in words is "one hundred forty-five billion, forty million, forty-two thousand, one hundred eight".