101145412 has 24 divisors (see below), whose sum is σ = 181512576. Its totient is φ = 49297248.

The previous prime is 101145391. The next prime is 101145413. The reversal of 101145412 is 214541101.

101145412 = T₃₈₃ + T₃₈₄ + ... + T₈₇₁.

It is a self number, because there is not a number n which added to its sum of digits gives 101145412.

It is not an unprimeable number, because it can be changed into a prime (101145413) 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, 33093 + ... + 36019.

It is an arithmetic number, because the mean of its divisors is an integer number (7563024).

Almost surely, 2^101145412 is an apocalyptic number.

It is an amenable number.

101145412 is a deficient number, since it is larger than the sum of its proper divisors (80367164).

101145412 is a wasteful number, since it uses less digits than its factorization.

101145412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147 (or 3145 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 101145412 is about 10057.1075364640. The cubic root of 101145412 is about 465.9243370312.

Adding to 101145412 its reverse (214541101), we get a palindrome (315686513).

The spelling of 101145412 in words is "one hundred one million, one hundred forty-five thousand, four hundred twelve".