158132481 has 16 divisors (see below), whose sum is σ = 227291904. Its totient is φ = 97213824.

The previous prime is 158132479. The next prime is 158132509. The reversal of 158132481 is 184231851.

It is not a de Polignac number, because 158132481 - 2¹ = 158132479 is a prime.

It is a super-2 number, since 2×158132481² = 50011763094430722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158132461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63400 + ... + 65846.

It is an arithmetic number, because the mean of its divisors is an integer number (14205744).

Almost surely, 2^158132481 is an apocalyptic number.

It is an amenable number.

158132481 is a deficient number, since it is larger than the sum of its proper divisors (69159423).

158132481 is a wasteful number, since it uses less digits than its factorization.

158132481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120.

The product of its digits is 7680, while the sum is 33.

The square root of 158132481 is about 12575.0737970002. The cubic root of 158132481 is about 540.7630741411.

The spelling of 158132481 in words is "one hundred fifty-eight million, one hundred thirty-two thousand, four hundred eighty-one".