149233849 has 4 divisors (see below), whose sum is σ = 152049636. Its totient is φ = 146418064.

The previous prime is 149233823. The next prime is 149233859. The reversal of 149233849 is 948332941.

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 137639824 + 11594025 = 11732^2 + 3405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149233849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149233859) 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, 1407814 + ... + 1407919.

It is an arithmetic number, because the mean of its divisors is an integer number (38012409).

Almost surely, 2^149233849 is an apocalyptic number.

It is an amenable number.

149233849 is a deficient number, since it is larger than the sum of its proper divisors (2815787).

149233849 is an equidigital number, since it uses as much as digits as its factorization.

149233849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815786.

The product of its digits is 186624, while the sum is 43.

The square root of 149233849 is about 12216.1306885609. The cubic root of 149233849 is about 530.4231212342.

The spelling of 149233849 in words is "one hundred forty-nine million, two hundred thirty-three thousand, eight hundred forty-nine".