149854618 has 4 divisors (see below), whose sum is σ = 224781930. Its totient is φ = 74927308.

The previous prime is 149854603. The next prime is 149854633. The reversal of 149854618 is 816458941.

149854618 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (149854603) and next prime (149854633).

It can be written as a sum of positive squares in only one way, i.e., 78907689 + 70946929 = 8883^2 + 8423^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37463653 + ... + 37463656.

Almost surely, 2^149854618 is an apocalyptic number.

149854618 is a deficient number, since it is larger than the sum of its proper divisors (74927312).

149854618 is an equidigital number, since it uses as much as digits as its factorization.

149854618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74927311.

The product of its digits is 276480, while the sum is 46.

The square root of 149854618 is about 12241.5120798045. The cubic root of 149854618 is about 531.1575719616.

The spelling of 149854618 in words is "one hundred forty-nine million, eight hundred fifty-four thousand, six hundred eighteen".