101545012 has 24 divisors (see below), whose sum is σ = 189007560. Its totient is φ = 47569920.

The previous prime is 101545007. The next prime is 101545013. The reversal of 101545012 is 210545101.

It can be written as a sum of positive squares in 4 ways, for example, as 76983076 + 24561936 = 8774^2 + 4956^2 .

It is a super-2 number, since 2×101545012² = 20622778924160288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101545013) 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, 12312 + ... + 18832.

It is an arithmetic number, because the mean of its divisors is an integer number (7875315).

Almost surely, 2^101545012 is an apocalyptic number.

It is an amenable number.

101545012 is a deficient number, since it is larger than the sum of its proper divisors (87462548).

101545012 is a wasteful number, since it uses less digits than its factorization.

101545012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6771 (or 6769 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 101545012 is about 10076.9545002446. The cubic root of 101545012 is about 466.5371139244.

The spelling of 101545012 in words is "one hundred one million, five hundred forty-five thousand, twelve".