151728633 has 40 divisors (see below), whose sum is σ = 262753920. Its totient is φ = 85458240.

The previous prime is 151728593. The next prime is 151728649. The reversal of 151728633 is 336827151.

151728633 is a `hidden beast` number, since 1 + 5 + 17 + 2 + 8 + 633 = 666.

151728633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 151728633 - 2⁶ = 151728569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151728683) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38373 + ... + 42141.

It is an arithmetic number, because the mean of its divisors is an integer number (6568848).

Almost surely, 2^151728633 is an apocalyptic number.

It is an amenable number.

151728633 is a deficient number, since it is larger than the sum of its proper divisors (111025287).

151728633 is an equidigital number, since it uses as much as digits as its factorization.

151728633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3859 (or 3850 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 151728633 is about 12317.8177044475. The cubic root of 151728633 is about 533.3625457523.

The spelling of 151728633 in words is "one hundred fifty-one million, seven hundred twenty-eight thousand, six hundred thirty-three".