149800290 has 16 divisors (see below), whose sum is σ = 359520768. Its totient is φ = 39946736.

The previous prime is 149800249. The next prime is 149800291. The reversal of 149800290 is 92008941.

149800290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (149800291) 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, 2496642 + ... + 2496701.

It is an arithmetic number, because the mean of its divisors is an integer number (22470048).

Almost surely, 2^149800290 is an apocalyptic number.

149800290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149800290 is an abundant number, since it is smaller than the sum of its proper divisors (209720478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149800290 is a wasteful number, since it uses less digits than its factorization.

149800290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993353.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 149800290 is about 12239.2928717308. The cubic root of 149800290 is about 531.0933759275.

The spelling of 149800290 in words is "one hundred forty-nine million, eight hundred thousand, two hundred ninety".