149162573842 has 8 divisors (see below), whose sum is σ = 223746025932. Its totient is φ = 74580565200.

The previous prime is 149162573797. The next prime is 149162573851. The reversal of 149162573842 is 248375261941.

It can be written as a sum of positive squares in 2 ways, for example, as 106242750601 + 42919823241 = 325949^2 + 207171^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 149162573842.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48409 + ... + 548332.

Almost surely, 2^149162573842 is an apocalyptic number.

149162573842 is a deficient number, since it is larger than the sum of its proper divisors (74583452090).

149162573842 is a wasteful number, since it uses less digits than its factorization.

149162573842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721724.

The product of its digits is 2903040, while the sum is 52.

The spelling of 149162573842 in words is "one hundred forty-nine billion, one hundred sixty-two million, five hundred seventy-three thousand, eight hundred forty-two".