145153432242 has 160 divisors (see below), whose sum is σ = 413223681024. Its totient is φ = 37047196800.

The previous prime is 145153432219. The next prime is 145153432261. The reversal of 145153432242 is 242234351541.

It is a happy number.

145153432242 is a `hidden beast` number, since 1 + 4 + 51 + 534 + 32 + 2 + 42 = 666.

145153432242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145153432197 and 145153432206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 298192 + ... + 615812.

Almost surely, 2^145153432242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145153432242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206611840512).

145153432242 is an abundant number, since it is smaller than the sum of its proper divisors (268070248782).

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

145153432242 is a wasteful number, since it uses less digits than its factorization.

145153432242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317686 (or 317677 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 145153432242 its reverse (242234351541), we get a palindrome (387387783783).

The spelling of 145153432242 in words is "one hundred forty-five billion, one hundred fifty-three million, four hundred thirty-two thousand, two hundred forty-two".