149424847 has 16 divisors (see below), whose sum is σ = 175891968. Its totient is φ = 125146080.

The previous prime is 149424829. The next prime is 149424851. The reversal of 149424847 is 748424941.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 149424847 - 2²⁷ = 15207119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149424857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140038 + ... + 141100.

It is an arithmetic number, because the mean of its divisors is an integer number (10993248).

Almost surely, 2^149424847 is an apocalyptic number.

149424847 is a deficient number, since it is larger than the sum of its proper divisors (26467121).

149424847 is a wasteful number, since it uses less digits than its factorization.

149424847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070.

The product of its digits is 258048, while the sum is 43.

The square root of 149424847 is about 12223.9456396043. The cubic root of 149424847 is about 530.6493133615.

The spelling of 149424847 in words is "one hundred forty-nine million, four hundred twenty-four thousand, eight hundred forty-seven".