157150001 has 2 divisors, whose sum is σ = 157150002. Its totient is φ = 157150000.

The previous prime is 157149983. The next prime is 157150003. The reversal of 157150001 is 100051751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145178401 + 11971600 = 12049^2 + 3460^2 .

It is an emirp because it is prime and its reverse (100051751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157150001 - 2¹⁰ = 157148977 is a prime.

It is a super-2 number, since 2×157150001² = 49392245628600002, which contains 22 as substring.

Together with 157150003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157150003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78575000 + 78575001.

It is an arithmetic number, because the mean of its divisors is an integer number (78575001).

Almost surely, 2^157150001 is an apocalyptic number.

It is an amenable number.

157150001 is a deficient number, since it is larger than the sum of its proper divisors (1).

157150001 is an equidigital number, since it uses as much as digits as its factorization.

157150001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 157150001 is about 12535.9483486492. The cubic root of 157150001 is about 539.6408231062.

The spelling of 157150001 in words is "one hundred fifty-seven million, one hundred fifty thousand, one".