101081145 has 16 divisors (see below), whose sum is σ = 176432832. Its totient is φ = 49008960.

The previous prime is 101081131. The next prime is 101081171. The reversal of 101081145 is 541180101.

It is a happy number.

It is not a de Polignac number, because 101081145 - 2¹⁰ = 101080121 is a prime.

It is a super-2 number, since 2×101081145² = 20434795749022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306142 + ... + 306471.

It is an arithmetic number, because the mean of its divisors is an integer number (11027052).

Almost surely, 2^101081145 is an apocalyptic number.

101081145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101081145 is a deficient number, since it is larger than the sum of its proper divisors (75351687).

101081145 is a wasteful number, since it uses less digits than its factorization.

101081145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612632.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 101081145 is about 10053.9119252160. The cubic root of 101081145 is about 465.8256345691.

The spelling of 101081145 in words is "one hundred one million, eighty-one thousand, one hundred forty-five".