158144747 has 2 divisors, whose sum is σ = 158144748. Its totient is φ = 158144746.

The previous prime is 158144713. The next prime is 158144759. The reversal of 158144747 is 747441851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158144747 - 2⁶ = 158144683 is a prime.

It is a super-2 number, since 2×158144747² = 50019522007388018, which contains 22 as substring.

It is equal to p_8876291 and since 158144747 and 8876291 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (158144347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79072373 + 79072374.

It is an arithmetic number, because the mean of its divisors is an integer number (79072374).

Almost surely, 2^158144747 is an apocalyptic number.

158144747 is a deficient number, since it is larger than the sum of its proper divisors (1).

158144747 is an equidigital number, since it uses as much as digits as its factorization.

158144747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125440, while the sum is 41.

The square root of 158144747 is about 12575.5614983984. The cubic root of 158144747 is about 540.7770557265. Note that the first 3 decimals are identical.

The spelling of 158144747 in words is "one hundred fifty-eight million, one hundred forty-four thousand, seven hundred forty-seven".