145411100442 has 48 divisors (see below), whose sum is σ = 318022848000. Its totient is φ = 48016252800.

The previous prime is 145411100413. The next prime is 145411100477. The reversal of 145411100442 is 244001114541.

It is a happy number.

145411100442 is a `hidden beast` number, since 1 + 4 + 541 + 110 + 0 + 4 + 4 + 2 = 666.

It is a super-2 number, since 2×145411100442² (a number of 23 digits) contains 22 as substring.

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, 740809 + ... + 916307.

It is an arithmetic number, because the mean of its divisors is an integer number (6625476000).

Almost surely, 2^145411100442 is an apocalyptic number.

145411100442 is an abundant number, since it is smaller than the sum of its proper divisors (172611747558).

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

145411100442 is a wasteful number, since it uses less digits than its factorization.

145411100442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175939 (or 175936 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 145411100442 its reverse (244001114541), we get a palindrome (389412214983).

The spelling of 145411100442 in words is "one hundred forty-five billion, four hundred eleven million, one hundred thousand, four hundred forty-two".