157293641 has 2 divisors, whose sum is σ = 157293642. Its totient is φ = 157293640.

The previous prime is 157293583. The next prime is 157293667. The reversal of 157293641 is 146392751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155251600 + 2042041 = 12460^2 + 1429^2 .

It is an emirp because it is prime and its reverse (146392751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157293641 - 2¹⁴ = 157277257 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 157293595 and 157293604.

It is not a weakly prime, because it can be changed into another prime (157293341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78646820 + 78646821.

It is an arithmetic number, because the mean of its divisors is an integer number (78646821).

Almost surely, 2^157293641 is an apocalyptic number.

It is an amenable number.

157293641 is a deficient number, since it is larger than the sum of its proper divisors (1).

157293641 is an equidigital number, since it uses as much as digits as its factorization.

157293641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 157293641 is about 12541.6761638945. The cubic root of 157293641 is about 539.8051892163.

The spelling of 157293641 in words is "one hundred fifty-seven million, two hundred ninety-three thousand, six hundred forty-one".