158456245 has 4 divisors (see below), whose sum is σ = 190147500. Its totient is φ = 126764992.

The previous prime is 158456239. The next prime is 158456251. The reversal of 158456245 is 542654851.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (158456239) and next prime (158456251).

It can be written as a sum of positive squares in 2 ways, for example, as 111218116 + 47238129 = 10546^2 + 6873^2 .

It is a cyclic number.

It is not a de Polignac number, because 158456245 - 2¹⁵ = 158423477 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 158456198 and 158456207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15845620 + ... + 15845629.

It is an arithmetic number, because the mean of its divisors is an integer number (47536875).

Almost surely, 2^158456245 is an apocalyptic number.

It is an amenable number.

158456245 is a deficient number, since it is larger than the sum of its proper divisors (31691255).

158456245 is an equidigital number, since it uses as much as digits as its factorization.

158456245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31691254.

The product of its digits is 192000, while the sum is 40.

The square root of 158456245 is about 12587.9404590266. The cubic root of 158456245 is about 541.1318793843.

The spelling of 158456245 in words is "one hundred fifty-eight million, four hundred fifty-six thousand, two hundred forty-five".