90150469 has 2 divisors, whose sum is σ = 90150470. Its totient is φ = 90150468.

The previous prime is 90150461. The next prime is 90150527. The reversal of 90150469 is 96405109.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65529025 + 24621444 = 8095^2 + 4962^2 .

It is a cyclic number.

It is not a de Polignac number, because 90150469 - 2³ = 90150461 is a prime.

It is a super-2 number, since 2×90150469² = 16254214121839922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90150461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45075234 + 45075235.

It is an arithmetic number, because the mean of its divisors is an integer number (45075235).

Almost surely, 2^90150469 is an apocalyptic number.

It is an amenable number.

90150469 is a deficient number, since it is larger than the sum of its proper divisors (1).

90150469 is an equidigital number, since it uses as much as digits as its factorization.

90150469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 90150469 is about 9494.7600812237. The cubic root of 90150469 is about 448.3900809706.

The spelling of 90150469 in words is "ninety million, one hundred fifty thousand, four hundred sixty-nine".