149942189346 has 8 divisors (see below), whose sum is σ = 299884378704. Its totient is φ = 49980729780.

The previous prime is 149942189339. The next prime is 149942189351. The reversal of 149942189346 is 643981249941.

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

149942189346 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 149942189346.

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, 12495182440 + ... + 12495182451.

It is an arithmetic number, because the mean of its divisors is an integer number (37485547338).

Almost surely, 2^149942189346 is an apocalyptic number.

149942189346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

149942189346 is a wasteful number, since it uses less digits than its factorization.

149942189346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24990364896.

The product of its digits is 13436928, while the sum is 60.

The spelling of 149942189346 in words is "one hundred forty-nine billion, nine hundred forty-two million, one hundred eighty-nine thousand, three hundred forty-six".