100734545 has 8 divisors (see below), whose sum is σ = 125049960. Its totient is φ = 77808640.

The previous prime is 100734541. The next prime is 100734547. The reversal of 100734545 is 545437001.

It can be written as a sum of positive squares in 4 ways, for example, as 9168784 + 91565761 = 3028^2 + 9569^2 .

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

It is not a de Polignac number, because 100734545 - 2² = 100734541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (100734541) 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, 347216 + ... + 347505.

It is an arithmetic number, because the mean of its divisors is an integer number (15631245).

Almost surely, 2^100734545 is an apocalyptic number.

It is an amenable number.

100734545 is a deficient number, since it is larger than the sum of its proper divisors (24315415).

100734545 is an equidigital number, since it uses as much as digits as its factorization.

100734545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694755.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 100734545 is about 10036.6600520293. The cubic root of 100734545 is about 465.2925972861.

The spelling of 100734545 in words is "one hundred million, seven hundred thirty-four thousand, five hundred forty-five".