158868054 has 36 divisors (see below), whose sum is σ = 357464484. Its totient is φ = 52951644.

The previous prime is 158868041. The next prime is 158868079. The reversal of 158868054 is 450868851.

158868054 is a `hidden beast` number, since 1 + 588 + 68 + 0 + 5 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7069 + ... + 19175.

It is an arithmetic number, because the mean of its divisors is an integer number (9929569).

Almost surely, 2^158868054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158868054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178732242).

158868054 is an abundant number, since it is smaller than the sum of its proper divisors (198596430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158868054 is an frugal number, since it uses more digits than its factorization.

158868054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12133 (or 12112 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The square root of 158868054 is about 12604.2871277990. The cubic root of 158868054 is about 541.6002530750.

The spelling of 158868054 in words is "one hundred fifty-eight million, eight hundred sixty-eight thousand, fifty-four".