158042371 has 4 divisors (see below), whose sum is σ = 163140544. Its totient is φ = 152944200.

The previous prime is 158042369. The next prime is 158042383. The reversal of 158042371 is 173240851.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 158042371 - 2¹ = 158042369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 5098141 = 158042371 / (1 + 5 + 8 + 0 + 4 + 2 + 3 + 7 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158042321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2549040 + ... + 2549101.

It is an arithmetic number, because the mean of its divisors is an integer number (40785136).

Almost surely, 2^158042371 is an apocalyptic number.

158042371 is a deficient number, since it is larger than the sum of its proper divisors (5098173).

158042371 is an equidigital number, since it uses as much as digits as its factorization.

158042371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098172.

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

The square root of 158042371 is about 12571.4904048804. The cubic root of 158042371 is about 540.6603387238.

The spelling of 158042371 in words is "one hundred fifty-eight million, forty-two thousand, three hundred seventy-one".