157804741 has 8 divisors (see below), whose sum is σ = 163744280. Its totient is φ = 151953408.

The previous prime is 157804687. The next prime is 157804781. The reversal of 157804741 is 147408751.

It can be written as a sum of positive squares in 4 ways, for example, as 62742241 + 95062500 = 7921^2 + 9750^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 157804741 - 2¹¹ = 157802693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157804741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157804781) 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, 18396 + ... + 25573.

It is an arithmetic number, because the mean of its divisors is an integer number (20468035).

Almost surely, 2^157804741 is an apocalyptic number.

It is an amenable number.

157804741 is a deficient number, since it is larger than the sum of its proper divisors (5939539).

157804741 is an equidigital number, since it uses as much as digits as its factorization.

157804741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44103.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 157804741 is about 12562.0357028628. The cubic root of 157804741 is about 540.3892266978.

The spelling of 157804741 in words is "one hundred fifty-seven million, eight hundred four thousand, seven hundred forty-one".