158227280 has 40 divisors (see below), whose sum is σ = 368447400. Its totient is φ = 63193088.

The previous prime is 158227259. The next prime is 158227291. The reversal of 158227280 is 82722851.

158227280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2676496 + 155550784 = 1636^2 + 12472^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 158227280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73256 + ... + 75384.

It is an arithmetic number, because the mean of its divisors is an integer number (9211185).

Almost surely, 2^158227280 is an apocalyptic number.

158227280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158227280 is an abundant number, since it is smaller than the sum of its proper divisors (210220120).

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

158227280 is a wasteful number, since it uses less digits than its factorization.

158227280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 158227280 is about 12578.8425540667. The cubic root of 158227280 is about 540.8711134207.

The spelling of 158227280 in words is "one hundred fifty-eight million, two hundred twenty-seven thousand, two hundred eighty".