149806206 has 64 divisors (see below), whose sum is σ = 366716160. Its totient is φ = 44952480.

The previous prime is 149806201. The next prime is 149806211. The reversal of 149806206 is 602608941.

It is an interprime number because it is at equal distance from previous prime (149806201) and next prime (149806211).

It is a super-2 number, since 2×149806206² = 44883798712228872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149806201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62380 + ... + 64736.

It is an arithmetic number, because the mean of its divisors is an integer number (5729940).

Almost surely, 2^149806206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149806206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183358080).

149806206 is an abundant number, since it is smaller than the sum of its proper divisors (216909954).

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

149806206 is a wasteful number, since it uses less digits than its factorization.

149806206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486 (or 2480 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 149806206 is about 12239.5345499737. The cubic root of 149806206 is about 531.1003672515.

The spelling of 149806206 in words is "one hundred forty-nine million, eight hundred six thousand, two hundred six".