101304145 has 4 divisors (see below), whose sum is σ = 121564980. Its totient is φ = 81043312.

The previous prime is 101304107. The next prime is 101304169. The reversal of 101304145 is 541403101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541403101 = 151 ⋅3585451.

It can be written as a sum of positive squares in 2 ways, for example, as 67617729 + 33686416 = 8223^2 + 5804^2 .

It is a cyclic number.

It is not a de Polignac number, because 101304145 - 2⁷ = 101304017 is a prime.

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, 10130410 + ... + 10130419.

It is an arithmetic number, because the mean of its divisors is an integer number (30391245).

Almost surely, 2^101304145 is an apocalyptic number.

It is an amenable number.

101304145 is a deficient number, since it is larger than the sum of its proper divisors (20260835).

101304145 is an equidigital number, since it uses as much as digits as its factorization.

101304145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20260834.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 101304145 is about 10064.9960258313. The cubic root of 101304145 is about 466.1679431144.

Adding to 101304145 its reverse (541403101), we get a palindrome (642707246).

The spelling of 101304145 in words is "one hundred one million, three hundred four thousand, one hundred forty-five".