245166131 has 8 divisors (see below), whose sum is σ = 292372224. Its totient is φ = 201005640.

The previous prime is 245166121. The next prime is 245166149. The reversal of 245166131 is 131661542.

It is a happy number.

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 245166131 - 2⁶ = 245166067 is a prime.

It is a super-2 number, since 2×245166131² = 120212863579018322, 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 = 245166094 and 245166103.

It is not an unprimeable number, because it can be changed into a prime (245166121) 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, 761225 + ... + 761546.

It is an arithmetic number, because the mean of its divisors is an integer number (36546528).

Almost surely, 2^245166131 is an apocalyptic number.

245166131 is a deficient number, since it is larger than the sum of its proper divisors (47206093).

245166131 is a wasteful number, since it uses less digits than its factorization.

245166131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522801.

The product of its digits is 4320, while the sum is 29.

The square root of 245166131 is about 15657.7818033079. The cubic root of 245166131 is about 625.8738760290.

The spelling of 245166131 in words is "two hundred forty-five million, one hundred sixty-six thousand, one hundred thirty-one".