100745557 has 8 divisors (see below), whose sum is σ = 110148192. Its totient is φ = 91383600.

The previous prime is 100745531. The next prime is 100745563. The reversal of 100745557 is 755547001.

It is a happy number.

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

It is not a de Polignac number, because 100745557 - 2¹¹ = 100743509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100745357) 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, 4863 + ... + 15004.

It is an arithmetic number, because the mean of its divisors is an integer number (13768524).

Almost surely, 2^100745557 is an apocalyptic number.

It is an amenable number.

100745557 is a deficient number, since it is larger than the sum of its proper divisors (9402635).

100745557 is a wasteful number, since it uses less digits than its factorization.

100745557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20339.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 100745557 is about 10037.2086259079. The cubic root of 100745557 is about 465.3095514680.

It can be divided in two parts, 1007 and 45557, that added together give a palindrome (46564).

The spelling of 100745557 in words is "one hundred million, seven hundred forty-five thousand, five hundred fifty-seven".