101057945 has 8 divisors (see below), whose sum is σ = 128403144. Its totient is φ = 76090624.

The previous prime is 101057939. The next prime is 101057951. The reversal of 101057945 is 549750101.

It is an interprime number because it is at equal distance from previous prime (101057939) and next prime (101057951).

It can be written as a sum of positive squares in 4 ways, for example, as 2968729 + 98089216 = 1723^2 + 9904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101057945 - 2¹⁸ = 100795801 is a prime.

It is a Duffinian 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, 594374 + ... + 594543.

It is an arithmetic number, because the mean of its divisors is an integer number (16050393).

Almost surely, 2^101057945 is an apocalyptic number.

It is an amenable number.

101057945 is a deficient number, since it is larger than the sum of its proper divisors (27345199).

101057945 is a wasteful number, since it uses less digits than its factorization.

101057945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188939.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 101057945 is about 10052.7580792537. The cubic root of 101057945 is about 465.7899932975.

The spelling of 101057945 in words is "one hundred one million, fifty-seven thousand, nine hundred forty-five".