149868155786 has 8 divisors (see below), whose sum is σ = 225697860864. Its totient is φ = 74635535500.

The previous prime is 149868155783. The next prime is 149868155791. The reversal of 149868155786 is 687551868941.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149868155783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149270570 + ... + 149271573.

It is an arithmetic number, because the mean of its divisors is an integer number (28212232608).

Almost surely, 2^149868155786 is an apocalyptic number.

149868155786 is a deficient number, since it is larger than the sum of its proper divisors (75829705078).

149868155786 is a wasteful number, since it uses less digits than its factorization.

149868155786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298542396.

The product of its digits is 116121600, while the sum is 68.

It can be divided in two parts, 149868155 and 786, that added together give a palindrome (149868941).

The spelling of 149868155786 in words is "one hundred forty-nine billion, eight hundred sixty-eight million, one hundred fifty-five thousand, seven hundred eighty-six".