153216461 has 8 divisors (see below), whose sum is σ = 162865080. Its totient is φ = 143638528.

The previous prime is 153216449. The next prime is 153216463. The reversal of 153216461 is 164612351.

It is a happy number.

153216461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 134119561 + 19096900 = 11581^2 + 4370^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 153216461 - 2⁶ = 153216397 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 (153216463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13166 + ... + 21903.

It is an arithmetic number, because the mean of its divisors is an integer number (20358135).

Almost surely, 2^153216461 is an apocalyptic number.

It is an amenable number.

153216461 is a deficient number, since it is larger than the sum of its proper divisors (9648619).

153216461 is a wasteful number, since it uses less digits than its factorization.

153216461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35343.

The product of its digits is 4320, while the sum is 29.

The square root of 153216461 is about 12378.0637015650. The cubic root of 153216461 is about 535.1002356808.

The spelling of 153216461 in words is "one hundred fifty-three million, two hundred sixteen thousand, four hundred sixty-one".