149420497792 has 16 divisors (see below), whose sum is σ = 297673648200. Its totient is φ = 74710248832.

The previous prime is 149420497789. The next prime is 149420497823. The reversal of 149420497792 is 297794024941.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 583673692 + ... + 583673947.

Almost surely, 2^149420497792 is an apocalyptic number.

It is an amenable number.

149420497792 is a deficient number, since it is larger than the sum of its proper divisors (148253150408).

149420497792 is an equidigital number, since it uses as much as digits as its factorization.

149420497792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167347653 (or 1167347641 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 149420497792 in words is "one hundred forty-nine billion, four hundred twenty million, four hundred ninety-seven thousand, seven hundred ninety-two".