158404427454 has 128 divisors (see below), whose sum is σ = 406100846592. Its totient is φ = 40075015680.

The previous prime is 158404427429. The next prime is 158404427501. The reversal of 158404427454 is 454724404851.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1379124 + ... + 1489560.

It is an arithmetic number, because the mean of its divisors is an integer number (3172662864).

Almost surely, 2^158404427454 is an apocalyptic number.

158404427454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 158404427454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203050423296).

158404427454 is an abundant number, since it is smaller than the sum of its proper divisors (247696419138).

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

158404427454 is a wasteful number, since it uses less digits than its factorization.

158404427454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110570.

The product of its (nonzero) digits is 2867200, while the sum is 48.

The spelling of 158404427454 in words is "one hundred fifty-eight billion, four hundred four million, four hundred twenty-seven thousand, four hundred fifty-four".