158072241 has 8 divisors (see below), whose sum is σ = 210973504. Its totient is φ = 105276240.

The previous prime is 158072231. The next prime is 158072249. The reversal of 158072241 is 142270851.

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

It is not a de Polignac number, because 158072241 - 2⁷ = 158072113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 158072199 and 158072208.

It is not an unprimeable number, because it can be changed into a prime (158072249) 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, 22741 + ... + 28866.

It is an arithmetic number, because the mean of its divisors is an integer number (26371688).

Almost surely, 2^158072241 is an apocalyptic number.

It is an amenable number.

158072241 is a deficient number, since it is larger than the sum of its proper divisors (52901263).

158072241 is a wasteful number, since it uses less digits than its factorization.

158072241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52631.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 158072241 is about 12572.6783542728. The cubic root of 158072241 is about 540.6943981702.

The spelling of 158072241 in words is "one hundred fifty-eight million, seventy-two thousand, two hundred forty-one".