158145655 has 4 divisors (see below), whose sum is σ = 189774792. Its totient is φ = 126516520.

The previous prime is 158145649. The next prime is 158145707. The reversal of 158145655 is 556541851.

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

It is not a de Polignac number, because 158145655 - 2¹⁹ = 157621367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15814561 + ... + 15814570.

It is an arithmetic number, because the mean of its divisors is an integer number (47443698).

Almost surely, 2^158145655 is an apocalyptic number.

158145655 is a deficient number, since it is larger than the sum of its proper divisors (31629137).

158145655 is an equidigital number, since it uses as much as digits as its factorization.

158145655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31629136.

The product of its digits is 120000, while the sum is 40.

The square root of 158145655 is about 12575.5976001143. The cubic root of 158145655 is about 540.7780906953.

The spelling of 158145655 in words is "one hundred fifty-eight million, one hundred forty-five thousand, six hundred fifty-five".