157205041 has 4 divisors (see below), whose sum is σ = 179662912. Its totient is φ = 134747172.

The previous prime is 157205021. The next prime is 157205117. The reversal of 157205041 is 140502751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140502751 = 1423 ⋅98737.

It is not a de Polignac number, because 157205041 - 2⁷ = 157204913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157204997 and 157205015.

It is not an unprimeable number, because it can be changed into a prime (157205021) 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 3 ways as a sum of consecutive naturals, for example, 11228925 + ... + 11228938.

It is an arithmetic number, because the mean of its divisors is an integer number (44915728).

Almost surely, 2^157205041 is an apocalyptic number.

It is an amenable number.

157205041 is a deficient number, since it is larger than the sum of its proper divisors (22457871).

157205041 is an equidigital number, since it uses as much as digits as its factorization.

157205041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22457870.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 157205041 is about 12538.1434431099. The cubic root of 157205041 is about 539.7038167722.

Adding to 157205041 its reverse (140502751), we get a palindrome (297707792).

The spelling of 157205041 in words is "one hundred fifty-seven million, two hundred five thousand, forty-one".