158747401 has 2 divisors, whose sum is σ = 158747402. Its totient is φ = 158747400.

The previous prime is 158747389. The next prime is 158747417. The reversal of 158747401 is 104747851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 28901376 = 11395^2 + 5376^2 .

It is a cyclic number.

It is not a de Polignac number, because 158747401 - 2¹³ = 158739209 is a prime.

It is the 12600-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (158747441) by changing a digit.

It is a nontrivial repunit in base 12599.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79373700 + 79373701.

It is an arithmetic number, because the mean of its divisors is an integer number (79373701).

Almost surely, 2^158747401 is an apocalyptic number.

It is an amenable number.

158747401 is a deficient number, since it is larger than the sum of its proper divisors (1).

158747401 is an equidigital number, since it uses as much as digits as its factorization.

158747401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 158747401 is about 12599.5000297631. The cubic root of 158747401 is about 541.4631115016.

The spelling of 158747401 in words is "one hundred fifty-eight million, seven hundred forty-seven thousand, four hundred one".