158487403 has 2 divisors, whose sum is σ = 158487404. Its totient is φ = 158487402.

The previous prime is 158487377. The next prime is 158487419. The reversal of 158487403 is 304784851.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158487403 is a prime.

It is not a weakly prime, because it can be changed into another prime (158487443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79243701 + 79243702.

It is an arithmetic number, because the mean of its divisors is an integer number (79243702).

Almost surely, 2^158487403 is an apocalyptic number.

158487403 is a deficient number, since it is larger than the sum of its proper divisors (1).

158487403 is an equidigital number, since it uses as much as digits as its factorization.

158487403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 158487403 is about 12589.1780112921. The cubic root of 158487403 is about 541.1673454990.

The spelling of 158487403 in words is "one hundred fifty-eight million, four hundred eighty-seven thousand, four hundred three".