130433245 has 8 divisors (see below), whose sum is σ = 157517784. Its totient is φ = 103681344.

The previous prime is 130433243. The next prime is 130433263. The reversal of 130433245 is 542334031.

It can be written as a sum of positive squares in 4 ways, for example, as 10004569 + 120428676 = 3163^2 + 10974^2 .

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 130433245 - 2¹ = 130433243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130433243) 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, 82294 + ... + 83863.

It is an arithmetic number, because the mean of its divisors is an integer number (19689723).

Almost surely, 2^130433245 is an apocalyptic number.

It is an amenable number.

130433245 is a deficient number, since it is larger than the sum of its proper divisors (27084539).

130433245 is a wasteful number, since it uses less digits than its factorization.

130433245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166319.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 130433245 is about 11420.7374980778. The cubic root of 130433245 is about 507.1418295102.

Adding to 130433245 its reverse (542334031), we get a palindrome (672767276).

The spelling of 130433245 in words is "one hundred thirty million, four hundred thirty-three thousand, two hundred forty-five".