153929849 has 16 divisors (see below), whose sum is σ = 177108480. Its totient is φ = 132814080.

The previous prime is 153929837. The next prime is 153929873. The reversal of 153929849 is 948929351.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 153929849 - 2²⁰ = 152881273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153929797 and 153929806.

It is not an unprimeable number, because it can be changed into a prime (153929899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2327 + ... + 17699.

It is an arithmetic number, because the mean of its divisors is an integer number (11069280).

Almost surely, 2^153929849 is an apocalyptic number.

153929849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

153929849 is a deficient number, since it is larger than the sum of its proper divisors (23178631).

153929849 is a wasteful number, since it uses less digits than its factorization.

153929849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15440.

The product of its digits is 699840, while the sum is 50.

The square root of 153929849 is about 12406.8468596981. The cubic root of 153929849 is about 535.9294397817.

The spelling of 153929849 in words is "one hundred fifty-three million, nine hundred twenty-nine thousand, eight hundred forty-nine".