149876249 has 4 divisors (see below), whose sum is σ = 150278436. Its totient is φ = 149474064.

The previous prime is 149876201. The next prime is 149876261. The reversal of 149876249 is 942678941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30913600 + 118962649 = 5560^2 + 10907^2 .

It is a cyclic number.

It is not a de Polignac number, because 149876249 - 2⁸ = 149875993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 149876197 and 149876206.

It is not an unprimeable number, because it can be changed into a prime (149876849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200534 + ... + 201279.

It is an arithmetic number, because the mean of its divisors is an integer number (37569609).

Almost surely, 2^149876249 is an apocalyptic number.

It is an amenable number.

149876249 is a deficient number, since it is larger than the sum of its proper divisors (402187).

149876249 is an equidigital number, since it uses as much as digits as its factorization.

149876249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402186.

The product of its digits is 870912, while the sum is 50.

The square root of 149876249 is about 12242.3955580597. The cubic root of 149876249 is about 531.1831276565.

The spelling of 149876249 in words is "one hundred forty-nine million, eight hundred seventy-six thousand, two hundred forty-nine".