158441257 has 8 divisors (see below), whose sum is σ = 173033280. Its totient is φ = 144192720.

The previous prime is 158441249. The next prime is 158441267. The reversal of 158441257 is 752144851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158441257 - 2³ = 158441249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158441267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84907 + ... + 86752.

It is an arithmetic number, because the mean of its divisors is an integer number (21629160).

Almost surely, 2^158441257 is an apocalyptic number.

It is an amenable number.

158441257 is a deficient number, since it is larger than the sum of its proper divisors (14592023).

158441257 is a wasteful number, since it uses less digits than its factorization.

158441257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171743.

The product of its digits is 44800, while the sum is 37.

The square root of 158441257 is about 12587.3451132477. The cubic root of 158441257 is about 541.1148173864.

The spelling of 158441257 in words is "one hundred fifty-eight million, four hundred forty-one thousand, two hundred fifty-seven".