157487 has 8 divisors (see below), whose sum is σ = 174720. Its totient is φ = 140760.

The previous prime is 157483. The next prime is 157489. The reversal of 157487 is 784751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157487 - 2² = 157483 is a prime.

It is a super-3 number, since 3×157487³ = 11718051033300909, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064 + ... + 1202.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2¹⁵⁷⁴⁸⁷ is an apocalyptic number.

157487 is a deficient number, since it is larger than the sum of its proper divisors (17233).

157487 is a wasteful number, since it uses less digits than its factorization.

157487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253.

The product of its digits is 7840, while the sum is 32.

The square root of 157487 is about 396.8463178612. The cubic root of 157487 is about 54.0026290444.

Subtracting 157487 from its reverse (784751), we obtain a square (627264 = 792²).

It can be divided in two parts, 1574 and 87, that added together give a palindrome (1661).

The spelling of 157487 in words is "one hundred fifty-seven thousand, four hundred eighty-seven".