158363478 has 192 divisors, whose sum is σ = 453957120. Its totient is φ = 40030848.

The previous prime is 158363477. The next prime is 158363497. The reversal of 158363478 is 874363851.

158363478 is a `hidden beast` number, since 1 + 5 + 8 + 3 + 634 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158363473) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2363601 + ... + 2363667.

It is an arithmetic number, because the mean of its divisors is an integer number (2364360).

Almost surely, 2^158363478 is an apocalyptic number.

158363478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 158363478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226978560).

158363478 is an abundant number, since it is smaller than the sum of its proper divisors (295593642).

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

158363478 is a wasteful number, since it uses less digits than its factorization.

158363478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 129 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 158363478 is about 12584.2551627023. The cubic root of 158363478 is about 541.0262582595.

The spelling of 158363478 in words is "one hundred fifty-eight million, three hundred sixty-three thousand, four hundred seventy-eight".