158465245 has 8 divisors (see below), whose sum is σ = 201344184. Its totient is φ = 119314944.

The previous prime is 158465243. The next prime is 158465249. The reversal of 158465245 is 542564851.

It can be written as a sum of positive squares in 4 ways, for example, as 22905796 + 135559449 = 4786^2 + 11643^2 .

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 158465245 - 2¹ = 158465243 is a prime.

It is a super-2 number, since 2×158465245² = 50222467745820050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 158465198 and 158465207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158465243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932064 + ... + 932233.

It is an arithmetic number, because the mean of its divisors is an integer number (25168023).

Almost surely, 2^158465245 is an apocalyptic number.

It is an amenable number.

158465245 is a deficient number, since it is larger than the sum of its proper divisors (42878939).

158465245 is a wasteful number, since it uses less digits than its factorization.

158465245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864319.

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

The square root of 158465245 is about 12588.2979389590. The cubic root of 158465245 is about 541.1421242623.

The spelling of 158465245 in words is "one hundred fifty-eight million, four hundred sixty-five thousand, two hundred forty-five".