149855854 has 16 divisors (see below), whose sum is σ = 228929328. Its totient is φ = 73558912.

The previous prime is 149855851. The next prime is 149855863. The reversal of 149855854 is 458558941.

It is a junction number, because it is equal to n+sod(n) for n = 149855798 and 149855807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149855851) 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 7 ways as a sum of consecutive naturals, for example, 21084 + ... + 27280.

It is an arithmetic number, because the mean of its divisors is an integer number (14308083).

Almost surely, 2^149855854 is an apocalyptic number.

149855854 is a deficient number, since it is larger than the sum of its proper divisors (79073474).

149855854 is a wasteful number, since it uses less digits than its factorization.

149855854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6419.

The product of its digits is 1152000, while the sum is 49.

The square root of 149855854 is about 12241.5625636599. The cubic root of 149855854 is about 531.1590322858.

The spelling of 149855854 in words is "one hundred forty-nine million, eight hundred fifty-five thousand, eight hundred fifty-four".