149988814 has 4 divisors (see below), whose sum is σ = 224983224. Its totient is φ = 74994406.

The previous prime is 149988809. The next prime is 149988823. The reversal of 149988814 is 418889941.

149988814 is digitally balanced in base 2 and base 3, because in such bases 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 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, 37497202 + ... + 37497205.

It is an arithmetic number, because the mean of its divisors is an integer number (56245806).

Almost surely, 2^149988814 is an apocalyptic number.

149988814 is a deficient number, since it is larger than the sum of its proper divisors (74994410).

149988814 is an equidigital number, since it uses as much as digits as its factorization.

149988814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74994409.

The product of its digits is 663552, while the sum is 52.

The square root of 149988814 is about 12246.9920388641. The cubic root of 149988814 is about 531.3160765977.

The spelling of 149988814 in words is "one hundred forty-nine million, nine hundred eighty-eight thousand, eight hundred fourteen".