90645119 has 2 divisors, whose sum is σ = 90645120. Its totient is φ = 90645118.

The previous prime is 90645103. The next prime is 90645133. The reversal of 90645119 is 91154609.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90645119 - 2⁴ = 90645103 is a prime.

It is a super-2 number, since 2×90645119² = 16433075197048322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90645179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45322559 + 45322560.

It is an arithmetic number, because the mean of its divisors is an integer number (45322560).

Almost surely, 2^90645119 is an apocalyptic number.

90645119 is a deficient number, since it is larger than the sum of its proper divisors (1).

90645119 is an equidigital number, since it uses as much as digits as its factorization.

90645119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 90645119 is about 9520.7730253378. The cubic root of 90645119 is about 449.2086817223.

The spelling of 90645119 in words is "ninety million, six hundred forty-five thousand, one hundred nineteen".