153155249 has 4 divisors (see below), whose sum is σ = 164936436. Its totient is φ = 141374064.

The previous prime is 153155179. The next prime is 153155251. The reversal of 153155249 is 942551351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 942551351 = 7 ⋅134650193.

It can be written as a sum of positive squares in 2 ways, for example, as 64513024 + 88642225 = 8032^2 + 9415^2 .

It is not a de Polignac number, because 153155249 - 2⁸ = 153154993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153155279) 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 3 ways as a sum of consecutive naturals, for example, 5890574 + ... + 5890599.

It is an arithmetic number, because the mean of its divisors is an integer number (41234109).

Almost surely, 2^153155249 is an apocalyptic number.

It is an amenable number.

153155249 is a deficient number, since it is larger than the sum of its proper divisors (11781187).

153155249 is a wasteful number, since it uses less digits than its factorization.

153155249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11781186.

The product of its digits is 27000, while the sum is 35.

The square root of 153155249 is about 12375.5908545814. The cubic root of 153155249 is about 535.0289663182.

The spelling of 153155249 in words is "one hundred fifty-three million, one hundred fifty-five thousand, two hundred forty-nine".