130546145 has 8 divisors (see below), whose sum is σ = 165870504. Its totient is φ = 98293504.

The previous prime is 130546127. The next prime is 130546147. The reversal of 130546145 is 541645031.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56190016 + 74356129 = 7496^2 + 8623^2 .

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 130546145 - 2⁸ = 130545889 is a prime.

It is a super-2 number, since 2×130546145² = 34084591948722050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130546147) 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, 767834 + ... + 768003.

It is an arithmetic number, because the mean of its divisors is an integer number (20733813).

Almost surely, 2^130546145 is an apocalyptic number.

It is an amenable number.

130546145 is a deficient number, since it is larger than the sum of its proper divisors (35324359).

130546145 is a wasteful number, since it uses less digits than its factorization.

130546145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535859.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 130546145 is about 11425.6791920656. The cubic root of 130546145 is about 507.2881107250.

The spelling of 130546145 in words is "one hundred thirty million, five hundred forty-six thousand, one hundred forty-five".