157770941 has 4 divisors (see below), whose sum is σ = 157830300. Its totient is φ = 157711584.

The previous prime is 157770929. The next prime is 157770947. The reversal of 157770941 is 149077751.

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 132480100 + 25290841 = 11510^2 + 5029^2 .

It is a cyclic number.

It is not a de Polignac number, because 157770941 - 2¹⁴ = 157754557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157770947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25496 + ... + 31073.

It is an arithmetic number, because the mean of its divisors is an integer number (39457575).

Almost surely, 2^157770941 is an apocalyptic number.

It is an amenable number.

157770941 is a deficient number, since it is larger than the sum of its proper divisors (59359).

157770941 is an equidigital number, since it uses as much as digits as its factorization.

157770941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59358.

The product of its (nonzero) digits is 61740, while the sum is 41.

The square root of 157770941 is about 12560.6903074632. The cubic root of 157770941 is about 540.3506421788.

The spelling of 157770941 in words is "one hundred fifty-seven million, seven hundred seventy thousand, nine hundred forty-one".