149320249 has 8 divisors (see below), whose sum is σ = 160928712. Its totient is φ = 137729280.

The previous prime is 149320207. The next prime is 149320267. The reversal of 149320249 is 942023941.

149320249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 480249 + 148840000 = 693^2 + 12200^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149320249 - 2¹⁷ = 149189177 is a prime.

It is a super-2 number, since 2×149320249² = 44593073522844002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149320289) 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, 17409 + ... + 24529.

It is an arithmetic number, because the mean of its divisors is an integer number (20116089).

Almost surely, 2^149320249 is an apocalyptic number.

It is an amenable number.

149320249 is a deficient number, since it is larger than the sum of its proper divisors (11608463).

149320249 is a wasteful number, since it uses less digits than its factorization.

149320249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8747.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 149320249 is about 12219.6664848105. Note that the first 3 decimals coincide. The cubic root of 149320249 is about 530.5254655673.

The spelling of 149320249 in words is "one hundred forty-nine million, three hundred twenty thousand, two hundred forty-nine".