153228261 has 8 divisors (see below), whose sum is σ = 204500800. Its totient is φ = 102053952.

The previous prime is 153228253. The next prime is 153228287. The reversal of 153228261 is 162822351.

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

It is not a de Polignac number, because 153228261 - 2³ = 153228253 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 (153228661) 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, 20836 + ... + 27213.

It is an arithmetic number, because the mean of its divisors is an integer number (25562600).

Almost surely, 2^153228261 is an apocalyptic number.

It is an amenable number.

153228261 is a deficient number, since it is larger than the sum of its proper divisors (51272539).

153228261 is a wasteful number, since it uses less digits than its factorization.

153228261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49115.

The product of its digits is 5760, while the sum is 30.

The square root of 153228261 is about 12378.5403420597. The cubic root of 153228261 is about 535.1139722830.

The spelling of 153228261 in words is "one hundred fifty-three million, two hundred twenty-eight thousand, two hundred sixty-one".