158642435 has 12 divisors (see below), whose sum is σ = 217669008. Its totient is φ = 108732288.

The previous prime is 158642357. The next prime is 158642443. The reversal of 158642435 is 534246851.

It is not a de Polignac number, because 158642435 - 2¹⁸ = 158380291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73451 + ... + 75579.

It is an arithmetic number, because the mean of its divisors is an integer number (18139084).

Almost surely, 2^158642435 is an apocalyptic number.

158642435 is a deficient number, since it is larger than the sum of its proper divisors (59026573).

158642435 is an frugal number, since it uses more digits than its factorization.

158642435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4270 (or 2141 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 158642435 is about 12595.3338582191. Note that the first 3 decimals coincide. The cubic root of 158642435 is about 541.3437441966.

The spelling of 158642435 in words is "one hundred fifty-eight million, six hundred forty-two thousand, four hundred thirty-five".