145538105722 has 8 divisors (see below), whose sum is σ = 218774627136. Its totient is φ = 72613230012.

The previous prime is 145538105717. The next prime is 145538105789. The reversal of 145538105722 is 227501835541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77910258 + ... + 77912125.

It is an arithmetic number, because the mean of its divisors is an integer number (27346828392).

Almost surely, 2^145538105722 is an apocalyptic number.

145538105722 is a deficient number, since it is larger than the sum of its proper divisors (73236521414).

145538105722 is a wasteful number, since it uses less digits than its factorization.

145538105722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155822852.

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 145538105722 in words is "one hundred forty-five billion, five hundred thirty-eight million, one hundred five thousand, seven hundred twenty-two".