149841829 has 4 divisors (see below), whose sum is σ = 149897484. Its totient is φ = 149786176.

The previous prime is 149841821. The next prime is 149841833. The reversal of 149841829 is 928148941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 928148941 = 601 ⋅1544341.

It can be written as a sum of positive squares in 2 ways, for example, as 1562500 + 148279329 = 1250^2 + 12177^2 .

It is a cyclic number.

It is not a de Polignac number, because 149841829 - 2³ = 149841821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149841821) 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, 23572 + ... + 29245.

It is an arithmetic number, because the mean of its divisors is an integer number (37474371).

Almost surely, 2^149841829 is an apocalyptic number.

It is an amenable number.

149841829 is a deficient number, since it is larger than the sum of its proper divisors (55655).

149841829 is an equidigital number, since it uses as much as digits as its factorization.

149841829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55654.

The product of its digits is 165888, while the sum is 46.

The square root of 149841829 is about 12240.9897067190. The cubic root of 149841829 is about 531.1424613886.

The spelling of 149841829 in words is "one hundred forty-nine million, eight hundred forty-one thousand, eight hundred twenty-nine".