100522045 has 24 divisors (see below), whose sum is σ = 131377896. Its totient is φ = 73801728.

The previous prime is 100522031. The next prime is 100522061. The reversal of 100522045 is 540225001.

It can be written as a sum of positive squares in 12 ways, for example, as 73085401 + 27436644 = 8549^2 + 5238^2 .

It is not a de Polignac number, because 100522045 - 2¹⁷ = 100390973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284589 + ... + 284941.

It is an arithmetic number, because the mean of its divisors is an integer number (5474079).

Almost surely, 2^100522045 is an apocalyptic number.

It is an amenable number.

100522045 is a deficient number, since it is larger than the sum of its proper divisors (30855851).

100522045 is a wasteful number, since it uses less digits than its factorization.

100522045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 100522045 is about 10026.0682722591. The cubic root of 100522045 is about 464.9651879747.

Adding to 100522045 its reverse (540225001), we get a palindrome (640747046).

The spelling of 100522045 in words is "one hundred million, five hundred twenty-two thousand, forty-five".