158487400 has 48 divisors (see below), whose sum is σ = 369312300. Its totient is φ = 63252480.

The previous prime is 158487377. The next prime is 158487403. The reversal of 158487400 is 4784851.

It can be written as a sum of positive squares in 6 ways, for example, as 381924 + 158105476 = 618^2 + 12574^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 158487400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158487403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170136 + ... + 171064.

Almost surely, 2^158487400 is an apocalyptic number.

158487400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158487400 is an abundant number, since it is smaller than the sum of its proper divisors (210824900).

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

158487400 is a wasteful number, since it uses less digits than its factorization.

158487400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 158487400 is about 12589.1778921421. The cubic root of 158487400 is about 541.1673420844.

The spelling of 158487400 in words is "one hundred fifty-eight million, four hundred eighty-seven thousand, four hundred".