149927290 has 16 divisors (see below), whose sum is σ = 284073120. Its totient is φ = 56814480.

The previous prime is 149927287. The next prime is 149927291. The reversal of 149927290 is 92729941.

It is not an unprimeable number, because it can be changed into a prime (149927291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394356 + ... + 394735.

It is an arithmetic number, because the mean of its divisors is an integer number (17754570).

Almost surely, 2^149927290 is an apocalyptic number.

149927290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149927290 is a deficient number, since it is larger than the sum of its proper divisors (134145830).

149927290 is a wasteful number, since it uses less digits than its factorization.

149927290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789117.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 149927290 is about 12244.4799807913. The cubic root of 149927290 is about 531.2434197109.

The spelling of 149927290 in words is "one hundred forty-nine million, nine hundred twenty-seven thousand, two hundred ninety".