149738854 has 4 divisors (see below), whose sum is σ = 224608284. Its totient is φ = 74869426.

The previous prime is 149738837. The next prime is 149738909. The reversal of 149738854 is 458837941.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 149738798 and 149738807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37434712 + ... + 37434715.

It is an arithmetic number, because the mean of its divisors is an integer number (56152071).

Almost surely, 2^149738854 is an apocalyptic number.

149738854 is a deficient number, since it is larger than the sum of its proper divisors (74869430).

149738854 is an equidigital number, since it uses as much as digits as its factorization.

149738854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74869429.

The product of its digits is 967680, while the sum is 49.

The square root of 149738854 is about 12236.7828288321. The cubic root of 149738854 is about 531.0207621069.

The spelling of 149738854 in words is "one hundred forty-nine million, seven hundred thirty-eight thousand, eight hundred fifty-four".