162739745 has 16 divisors (see below), whose sum is σ = 223993728. Its totient is φ = 111189120.

The previous prime is 162739741. The next prime is 162739751. The reversal of 162739745 is 547937261.

It is not a de Polignac number, because 162739745 - 2² = 162739741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162739696 and 162739705.

It is not an unprimeable number, because it can be changed into a prime (162739741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562 + ... + 18108.

It is an arithmetic number, because the mean of its divisors is an integer number (13999608).

Almost surely, 2^162739745 is an apocalyptic number.

It is an amenable number.

162739745 is a deficient number, since it is larger than the sum of its proper divisors (61253983).

162739745 is a wasteful number, since it uses less digits than its factorization.

162739745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16840.

The product of its digits is 317520, while the sum is 44.

The square root of 162739745 is about 12756.9488907027. The cubic root of 162739745 is about 545.9646747754.

The spelling of 162739745 in words is "one hundred sixty-two million, seven hundred thirty-nine thousand, seven hundred forty-five".