145646161742 has 8 divisors (see below), whose sum is σ = 225516637632. Its totient is φ = 70473949200.

The previous prime is 145646161651. The next prime is 145646161751. The reversal of 145646161742 is 247161646541.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174565759 + ... + 1174565882.

It is an arithmetic number, because the mean of its divisors is an integer number (28189579704).

Almost surely, 2^145646161742 is an apocalyptic number.

145646161742 is a deficient number, since it is larger than the sum of its proper divisors (79870475890).

145646161742 is a wasteful number, since it uses less digits than its factorization.

145646161742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349131674.

The product of its digits is 967680, while the sum is 47.

The spelling of 145646161742 in words is "one hundred forty-five billion, six hundred forty-six million, one hundred sixty-one thousand, seven hundred forty-two".