157040003 has 2 divisors, whose sum is σ = 157040004. Its totient is φ = 157040002.

The previous prime is 157039991. The next prime is 157040011. The reversal of 157040003 is 300040751.

It is a happy number.

157040003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157040003 - 2²² = 152845699 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (157040053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78520001 + 78520002.

It is an arithmetic number, because the mean of its divisors is an integer number (78520002).

Almost surely, 2^157040003 is an apocalyptic number.

157040003 is a deficient number, since it is larger than the sum of its proper divisors (1).

157040003 is an equidigital number, since it uses as much as digits as its factorization.

157040003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 157040003 is about 12531.5602779542. The cubic root of 157040003 is about 539.5148855393.

Adding to 157040003 its reverse (300040751), we get a palindrome (457080754).

The spelling of 157040003 in words is "one hundred fifty-seven million, forty thousand, three".