90722095445 has 16 divisors (see below), whose sum is σ = 110338018560. Its totient is φ = 71598231744.

The previous prime is 90722095441. The next prime is 90722095577. The reversal of 90722095445 is 54459022709.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90722095445 - 2² = 90722095441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90722095445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90722095441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372119 + ... + 565611.

It is an arithmetic number, because the mean of its divisors is an integer number (6896126160).

Almost surely, 2^90722095445 is an apocalyptic number.

It is an amenable number.

90722095445 is a deficient number, since it is larger than the sum of its proper divisors (19615923115).

90722095445 is a wasteful number, since it uses less digits than its factorization.

90722095445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194764.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 90722095445 in words is "ninety billion, seven hundred twenty-two million, ninety-five thousand, four hundred forty-five".