149699682 has 96 divisors (see below), whose sum is σ = 378293760. Its totient is φ = 42386400.

The previous prime is 149699681. The next prime is 149699687. The reversal of 149699682 is 286996941.

149699682 is a `hidden beast` number, since 1 + 496 + 99 + 68 + 2 = 666.

It is a super-2 number, since 2×149699682² = 44819989581802248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149699681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4829007 + ... + 4829037.

It is an arithmetic number, because the mean of its divisors is an integer number (3940560).

Almost surely, 2^149699682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149699682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189146880).

149699682 is an abundant number, since it is smaller than the sum of its proper divisors (228594078).

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

149699682 is a wasteful number, since it uses less digits than its factorization.

149699682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 76 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 149699682 is about 12235.1821400419. The cubic root of 149699682 is about 530.9744526847.

The spelling of 149699682 in words is "one hundred forty-nine million, six hundred ninety-nine thousand, six hundred eighty-two".