149613015897 has 16 divisors (see below), whose sum is σ = 234687084480. Its totient is φ = 93874833216.

The previous prime is 149613015821. The next prime is 149613015899. The reversal of 149613015897 is 798510316941.

149613015897 is a `hidden beast` number, since 1 + 4 + 9 + 613 + 0 + 15 + 8 + 9 + 7 = 666.

149613015897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149613015897 - 2¹⁵ = 149612983129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149613015899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162976683 + ... + 162977600.

It is an arithmetic number, because the mean of its divisors is an integer number (14667942780).

Almost surely, 2^149613015897 is an apocalyptic number.

149613015897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

149613015897 is a deficient number, since it is larger than the sum of its proper divisors (85074068583).

149613015897 is a wasteful number, since it uses less digits than its factorization.

149613015897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325954309 (or 325954303 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 149613015897 in words is "one hundred forty-nine billion, six hundred thirteen million, fifteen thousand, eight hundred ninety-seven".