149703218 has 16 divisors (see below), whose sum is σ = 262894464. Its totient is φ = 62593440.

The previous prime is 149703209. The next prime is 149703233. The reversal of 149703218 is 812307941.

149703218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149703218² = 44822106959111048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129830 + ... + 130977.

It is an arithmetic number, because the mean of its divisors is an integer number (16430904).

Almost surely, 2^149703218 is an apocalyptic number.

149703218 is a deficient number, since it is larger than the sum of its proper divisors (113191246).

149703218 is a wasteful number, since it uses less digits than its factorization.

149703218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260857.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 149703218 is about 12235.3266405111. The cubic root of 149703218 is about 530.9786333012.

The spelling of 149703218 in words is "one hundred forty-nine million, seven hundred three thousand, two hundred eighteen".