157205741 has 32 divisors (see below), whose sum is σ = 202383360. Its totient is φ = 119557680.

The previous prime is 157205729. The next prime is 157205747. The reversal of 157205741 is 147502751.

It is a de Polignac number, because none of the positive numbers 2^k-157205741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157205698 and 157205707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157205747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437720 + ... + 438078.

It is an arithmetic number, because the mean of its divisors is an integer number (6324480).

Almost surely, 2^157205741 is an apocalyptic number.

157205741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

157205741 is a deficient number, since it is larger than the sum of its proper divisors (45177619).

157205741 is an equidigital number, since it uses as much as digits as its factorization.

157205741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 424 counting only the distinct ones).

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

The square root of 157205741 is about 12538.1713578975. The cubic root of 157205741 is about 539.7046178324.

The spelling of 157205741 in words is "one hundred fifty-seven million, two hundred five thousand, seven hundred forty-one".