90322445 has 16 divisors (see below), whose sum is σ = 115846848. Its totient is φ = 67365120.

The previous prime is 90322433. The next prime is 90322457. The reversal of 90322445 is 54422309.

It is an interprime number because it is at equal distance from previous prime (90322433) and next prime (90322457).

It is not a de Polignac number, because 90322445 - 2¹⁴ = 90306061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4130 + ... + 14060.

It is an arithmetic number, because the mean of its divisors is an integer number (7240428).

Almost surely, 2^90322445 is an apocalyptic number.

It is an amenable number.

90322445 is a deficient number, since it is larger than the sum of its proper divisors (25524403).

90322445 is a wasteful number, since it uses less digits than its factorization.

90322445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10060.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 90322445 is about 9503.8121298771. The cubic root of 90322445 is about 448.6750243944.

The spelling of 90322445 in words is "ninety million, three hundred twenty-two thousand, four hundred forty-five".