150857705 has 8 divisors (see below), whose sum is σ = 181098504. Its totient is φ = 120640000.

The previous prime is 150857699. The next prime is 150857723. The reversal of 150857705 is 507758051.

It can be written as a sum of positive squares in 4 ways, for example, as 5438224 + 145419481 = 2332^2 + 12059^2 .

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

It is not a de Polignac number, because 150857705 - 2¹⁰ = 150856681 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16235 + ... + 23775.

It is an arithmetic number, because the mean of its divisors is an integer number (22637313).

Almost surely, 2^150857705 is an apocalyptic number.

It is an amenable number.

150857705 is a deficient number, since it is larger than the sum of its proper divisors (30240799).

150857705 is an equidigital number, since it uses as much as digits as its factorization.

150857705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11547.

The product of its (nonzero) digits is 49000, while the sum is 38.

The square root of 150857705 is about 12282.4144613345. The cubic root of 150857705 is about 532.3400799653.

The spelling of 150857705 in words is "one hundred fifty million, eight hundred fifty-seven thousand, seven hundred five".