153147561 has 16 divisors (see below), whose sum is σ = 233625600. Its totient is φ = 87416208.

The previous prime is 153147557. The next prime is 153147563. The reversal of 153147561 is 165741351.

It is not a de Polignac number, because 153147561 - 2² = 153147557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153147563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18310 + ... + 25328.

It is an arithmetic number, because the mean of its divisors is an integer number (14601600).

Almost surely, 2^153147561 is an apocalyptic number.

It is an amenable number.

153147561 is a deficient number, since it is larger than the sum of its proper divisors (80478039).

153147561 is a wasteful number, since it uses less digits than its factorization.

153147561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068.

The product of its digits is 12600, while the sum is 33.

The square root of 153147561 is about 12375.2802392511. The cubic root of 153147561 is about 535.0200138086.

The spelling of 153147561 in words is "one hundred fifty-three million, one hundred forty-seven thousand, five hundred sixty-one".