90443354 has 4 divisors (see below), whose sum is σ = 135665034. Its totient is φ = 45221676.

The previous prime is 90443299. The next prime is 90443371. The reversal of 90443354 is 45334409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45334409 = 367 ⋅123527.

It can be written as a sum of positive squares in only one way, i.e., 88868329 + 1575025 = 9427^2 + 1255^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90443354.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22610837 + ... + 22610840.

Almost surely, 2^90443354 is an apocalyptic number.

90443354 is a deficient number, since it is larger than the sum of its proper divisors (45221680).

90443354 is a wasteful number, since it uses less digits than its factorization.

90443354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45221679.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 90443354 is about 9510.1710815316. The cubic root of 90443354 is about 448.8751395116.

The spelling of 90443354 in words is "ninety million, four hundred forty-three thousand, three hundred fifty-four".