145606542522 has 32 divisors (see below), whose sum is σ = 350331532800. Its totient is φ = 39412297008.

The previous prime is 145606542491. The next prime is 145606542527. The reversal of 145606542522 is 225245606541.

It is a happy number.

145606542522 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (145606542527) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 91231372 + ... + 91232967.

It is an arithmetic number, because the mean of its divisors is an integer number (10947860400).

Almost surely, 2^145606542522 is an apocalyptic number.

145606542522 is an abundant number, since it is smaller than the sum of its proper divisors (204724990278).

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

145606542522 is a wasteful number, since it uses less digits than its factorization.

145606542522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182464370.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 145606542522 in words is "one hundred forty-five billion, six hundred six million, five hundred forty-two thousand, five hundred twenty-two".