90945043 has 8 divisors (see below), whose sum is σ = 106354688. Its totient is φ = 76139784.

The previous prime is 90945017. The next prime is 90945091. The reversal of 90945043 is 34054909.

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

It is not a de Polignac number, because 90945043 - 2⁹ = 90944531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90945443) 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, 150771 + ... + 151372.

It is an arithmetic number, because the mean of its divisors is an integer number (13294336).

Almost surely, 2^90945043 is an apocalyptic number.

90945043 is a deficient number, since it is larger than the sum of its proper divisors (15409645).

90945043 is a wasteful number, since it uses less digits than its factorization.

90945043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302193.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 90945043 is about 9536.5110496449. The cubic root of 90945043 is about 449.7035792724.

The spelling of 90945043 in words is "ninety million, nine hundred forty-five thousand, forty-three".