101534145 has 32 divisors (see below), whose sum is σ = 170250240. Its totient is φ = 51606720.

The previous prime is 101534141. The next prime is 101534159. The reversal of 101534145 is 541435101.

It is a happy number.

It is not a de Polignac number, because 101534145 - 2² = 101534141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101534141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29526 + ... + 32784.

It is an arithmetic number, because the mean of its divisors is an integer number (5320320).

Almost surely, 2^101534145 is an apocalyptic number.

101534145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101534145 is a deficient number, since it is larger than the sum of its proper divisors (68716095).

101534145 is a wasteful number, since it uses less digits than its factorization.

101534145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 101534145 is about 10076.4152852093. The cubic root of 101534145 is about 466.5204709284.

Adding to 101534145 its reverse (541435101), we get a palindrome (642969246).

The spelling of 101534145 in words is "one hundred one million, five hundred thirty-four thousand, one hundred forty-five".