157145667 has 8 divisors (see below), whose sum is σ = 239460096. Its totient is φ = 89797512.

The previous prime is 157145663. The next prime is 157145687. The reversal of 157145667 is 766541751.

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

It is not a de Polignac number, because 157145667 - 2² = 157145663 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (157145663) 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, 3741543 + ... + 3741584.

It is an arithmetic number, because the mean of its divisors is an integer number (29932512).

Almost surely, 2^157145667 is an apocalyptic number.

157145667 is a deficient number, since it is larger than the sum of its proper divisors (82314429).

157145667 is an equidigital number, since it uses as much as digits as its factorization.

157145667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7483137.

The product of its digits is 176400, while the sum is 42.

The square root of 157145667 is about 12535.7754845881. The cubic root of 157145667 is about 539.6358621882.

The spelling of 157145667 in words is "one hundred fifty-seven million, one hundred forty-five thousand, six hundred sixty-seven".