158345409 has 8 divisors (see below), whose sum is σ = 220306752. Its totient is φ = 100973840.

The previous prime is 158345401. The next prime is 158345413. The reversal of 158345409 is 904543851.

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 158345409 - 2³ = 158345401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158345401) 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, 1147362 + ... + 1147499.

It is an arithmetic number, because the mean of its divisors is an integer number (27538344).

Almost surely, 2^158345409 is an apocalyptic number.

It is an amenable number.

158345409 is a deficient number, since it is larger than the sum of its proper divisors (61961343).

158345409 is a wasteful number, since it uses less digits than its factorization.

158345409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294887.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 158345409 is about 12583.5372213063. The cubic root of 158345409 is about 541.0056807555.

The spelling of 158345409 in words is "one hundred fifty-eight million, three hundred forty-five thousand, four hundred nine".