153016449 has 4 divisors (see below), whose sum is σ = 204021936. Its totient is φ = 102010964.

The previous prime is 153016429. The next prime is 153016453. The reversal of 153016449 is 944610351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 944610351 = 3 ⋅314870117.

It is a cyclic number.

It is not a de Polignac number, because 153016449 - 2⁵ = 153016417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153016429) 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, 25502739 + ... + 25502744.

It is an arithmetic number, because the mean of its divisors is an integer number (51005484).

Almost surely, 2^153016449 is an apocalyptic number.

It is an amenable number.

153016449 is a deficient number, since it is larger than the sum of its proper divisors (51005487).

153016449 is an equidigital number, since it uses as much as digits as its factorization.

153016449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51005486.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 153016449 is about 12369.9817703989. The cubic root of 153016449 is about 534.8672905761.

The spelling of 153016449 in words is "one hundred fifty-three million, sixteen thousand, four hundred forty-nine".