149502661 has 16 divisors (see below), whose sum is σ = 189181440. Its totient is φ = 114752880.

The previous prime is 149502649. The next prime is 149502673. The reversal of 149502661 is 166205941.

149502661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149502649) and next prime (149502673).

It is not a de Polignac number, because 149502661 - 2⁹ = 149502149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149502601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9331 + ... + 19648.

It is an arithmetic number, because the mean of its divisors is an integer number (11823840).

Almost surely, 2^149502661 is an apocalyptic number.

149502661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

149502661 is a deficient number, since it is larger than the sum of its proper divisors (39678779).

149502661 is a wasteful number, since it uses less digits than its factorization.

149502661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29064.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 149502661 is about 12227.1280765354. The cubic root of 149502661 is about 530.7414104500.

The spelling of 149502661 in words is "one hundred forty-nine million, five hundred two thousand, six hundred sixty-one".