158457263 has 4 divisors (see below), whose sum is σ = 159938280. Its totient is φ = 156976248.

The previous prime is 158457217. The next prime is 158457269. The reversal of 158457263 is 362754851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362754851 = 131 ⋅2769121.

It is a cyclic number.

It is not a de Polignac number, because 158457263 - 2¹⁰ = 158456239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158457263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158457269) 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, 740348 + ... + 740561.

It is an arithmetic number, because the mean of its divisors is an integer number (39984570).

Almost surely, 2^158457263 is an apocalyptic number.

158457263 is a deficient number, since it is larger than the sum of its proper divisors (1481017).

158457263 is a wasteful number, since it uses less digits than its factorization.

158457263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481016.

The product of its digits is 201600, while the sum is 41.

The square root of 158457263 is about 12587.9808944882. The cubic root of 158457263 is about 541.1330382133.

The spelling of 158457263 in words is "one hundred fifty-eight million, four hundred fifty-seven thousand, two hundred sixty-three".