101245643530 has 16 divisors (see below), whose sum is σ = 192962285640. Its totient is φ = 38116006912.

The previous prime is 101245643483. The next prime is 101245643549. The reversal of 101245643530 is 35346542101.

It can be written as a sum of positive squares in 4 ways, for example, as 89868647961 + 11376995569 = 299781^2 + 106663^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 297781135 + ... + 297781474.

Almost surely, 2^101245643530 is an apocalyptic number.

101245643530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101245643530 is a deficient number, since it is larger than the sum of its proper divisors (91716642110).

101245643530 is a wasteful number, since it uses less digits than its factorization.

101245643530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595562633.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 101245643530 in words is "one hundred one billion, two hundred forty-five million, six hundred forty-three thousand, five hundred thirty".