149344815678 has 32 divisors (see below), whose sum is σ = 299947380480. Its totient is φ = 49572419520.

The previous prime is 149344815673. The next prime is 149344815769. The reversal of 149344815678 is 876518443941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149344815671) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1317901 + ... + 1426727.

It is an arithmetic number, because the mean of its divisors is an integer number (9373355640).

Almost surely, 2^149344815678 is an apocalyptic number.

149344815678 is an abundant number, since it is smaller than the sum of its proper divisors (150602564802).

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

149344815678 is a wasteful number, since it uses less digits than its factorization.

149344815678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109792.

The product of its digits is 23224320, while the sum is 60.

The spelling of 149344815678 in words is "one hundred forty-nine billion, three hundred forty-four million, eight hundred fifteen thousand, six hundred seventy-eight".