154133057 has 8 divisors (see below), whose sum is σ = 171713640. Its totient is φ = 137370240.

The previous prime is 154133047. The next prime is 154133071. The reversal of 154133057 is 750331451.

It can be written as a sum of positive squares in 4 ways, for example, as 9388096 + 144744961 = 3064^2 + 12031^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154133057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (154133047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204044 + ... + 204797.

It is an arithmetic number, because the mean of its divisors is an integer number (21464205).

Almost surely, 2^154133057 is an apocalyptic number.

It is an amenable number.

154133057 is a deficient number, since it is larger than the sum of its proper divisors (17580583).

154133057 is a wasteful number, since it uses less digits than its factorization.

154133057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408883.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 154133057 is about 12415.0335078082. The cubic root of 154133057 is about 536.1651689407.

The spelling of 154133057 in words is "one hundred fifty-four million, one hundred thirty-three thousand, fifty-seven".