101145830 has 16 divisors (see below), whose sum is σ = 184109760. Its totient is φ = 40003392.

The previous prime is 101145817. The next prime is 101145841. The reversal of 101145830 is 38541101.

It is a junction number, because it is equal to n+sod(n) for n = 101145796 and 101145805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55934 + ... + 57713.

It is an arithmetic number, because the mean of its divisors is an integer number (11506860).

Almost surely, 2^101145830 is an apocalyptic number.

101145830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101145830 is a deficient number, since it is larger than the sum of its proper divisors (82963930).

101145830 is a wasteful number, since it uses less digits than its factorization.

101145830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113743.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 101145830 is about 10057.1283177655. The cubic root of 101145830 is about 465.9249788666.

Adding to 101145830 its reverse (38541101), we get a palindrome (139686931).

The spelling of 101145830 in words is "one hundred one million, one hundred forty-five thousand, eight hundred thirty".