158712403 has 2 divisors, whose sum is σ = 158712404. Its totient is φ = 158712402.

The previous prime is 158712383. The next prime is 158712409. The reversal of 158712403 is 304217851.

158712403 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 158712403 - 2⁵ = 158712371 is a prime.

It is not a weakly prime, because it can be changed into another prime (158712409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79356201 + 79356202.

It is an arithmetic number, because the mean of its divisors is an integer number (79356202).

Almost surely, 2^158712403 is an apocalyptic number.

158712403 is a deficient number, since it is larger than the sum of its proper divisors (1).

158712403 is an equidigital number, since it uses as much as digits as its factorization.

158712403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 158712403 is about 12598.1110885720. Note that the first 3 decimals coincide. The cubic root of 158712403 is about 541.4233176349.

The spelling of 158712403 in words is "one hundred fifty-eight million, seven hundred twelve thousand, four hundred three".