100061345 has 12 divisors (see below), whose sum is σ = 122164500. Its totient is φ = 78678624.

The previous prime is 100061341. The next prime is 100061347. The reversal of 100061345 is 543160001.

It can be written as a sum of positive squares in 2 ways, for example, as 14258176 + 85803169 = 3776^2 + 9263^2 .

It is not a de Polignac number, because 100061345 - 2² = 100061341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100061341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14531 + ... + 20279.

It is an arithmetic number, because the mean of its divisors is an integer number (10180375).

Almost surely, 2^100061345 is an apocalyptic number.

It is an amenable number.

100061345 is a deficient number, since it is larger than the sum of its proper divisors (22103155).

100061345 is an frugal number, since it uses more digits than its factorization.

100061345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5872 (or 5813 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 100061345 is about 10003.0667797431. The cubic root of 100061345 is about 464.2537767155.

The spelling of 100061345 in words is "one hundred million, sixty-one thousand, three hundred forty-five".