157250741 has 4 divisors (see below), whose sum is σ = 159828684. Its totient is φ = 154672800.

The previous prime is 157250711. The next prime is 157250773. The reversal of 157250741 is 147052751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74822500 + 82428241 = 8650^2 + 9079^2 .

It is a cyclic number.

It is not a de Polignac number, because 157250741 - 2¹⁰ = 157249717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157250698 and 157250707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157250711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288880 + ... + 1289001.

It is an arithmetic number, because the mean of its divisors is an integer number (39957171).

Almost surely, 2^157250741 is an apocalyptic number.

It is an amenable number.

157250741 is a deficient number, since it is larger than the sum of its proper divisors (2577943).

157250741 is an equidigital number, since it uses as much as digits as its factorization.

157250741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577942.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 157250741 is about 12539.9657495545. The cubic root of 157250741 is about 539.7561095711.

The spelling of 157250741 in words is "one hundred fifty-seven million, two hundred fifty thousand, seven hundred forty-one".