158787053 has 4 divisors (see below), whose sum is σ = 163909248. Its totient is φ = 153664860.

The previous prime is 158787023. The next prime is 158787061. The reversal of 158787053 is 350787851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350787851 = 43 ⋅8157857.

It is a cyclic number.

It is not a de Polignac number, because 158787053 - 2¹⁰ = 158786029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158786995 and 158787013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158787023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2561051 + ... + 2561112.

It is an arithmetic number, because the mean of its divisors is an integer number (40977312).

Almost surely, 2^158787053 is an apocalyptic number.

It is an amenable number.

158787053 is a deficient number, since it is larger than the sum of its proper divisors (5122195).

158787053 is an equidigital number, since it uses as much as digits as its factorization.

158787053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122194.

The product of its (nonzero) digits is 235200, while the sum is 44.

The square root of 158787053 is about 12601.0734860170. The cubic root of 158787053 is about 541.5081900516.

The spelling of 158787053 in words is "one hundred fifty-eight million, seven hundred eighty-seven thousand, fifty-three".