158447487 has 32 divisors (see below), whose sum is σ = 235125504. Its totient is φ = 94112000.

The previous prime is 158447477. The next prime is 158447491. The reversal of 158447487 is 784744851.

It is a cyclic number.

It is not a de Polignac number, because 158447487 - 2¹¹ = 158445439 is a prime.

It is a super-2 number, since 2×158447487² = 50211212273230338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158447407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456448 + ... + 456794.

It is an arithmetic number, because the mean of its divisors is an integer number (7347672).

Almost surely, 2^158447487 is an apocalyptic number.

158447487 is a deficient number, since it is larger than the sum of its proper divisors (76678017).

158447487 is a wasteful number, since it uses less digits than its factorization.

158447487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its digits is 1003520, while the sum is 48.

The square root of 158447487 is about 12587.5925815860. The cubic root of 158447487 is about 541.1219096072.

The spelling of 158447487 in words is "one hundred fifty-eight million, four hundred forty-seven thousand, four hundred eighty-seven".