149706249 has 16 divisors (see below), whose sum is σ = 248862720. Its totient is φ = 77769360.

The previous prime is 149706239. The next prime is 149706253. The reversal of 149706249 is 942607941.

It is not a de Polignac number, because 149706249 - 2⁵ = 149706217 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 149706249.

It is not an unprimeable number, because it can be changed into a prime (149706229) 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, 323809 + ... + 324270.

It is an arithmetic number, because the mean of its divisors is an integer number (15553920).

Almost surely, 2^149706249 is an apocalyptic number.

It is an amenable number.

149706249 is a deficient number, since it is larger than the sum of its proper divisors (99156471).

149706249 is a wasteful number, since it uses less digits than its factorization.

149706249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648100.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 149706249 is about 12235.4505025357. The cubic root of 149706249 is about 530.9822168033.

The spelling of 149706249 in words is "one hundred forty-nine million, seven hundred six thousand, two hundred forty-nine".