90541452 has 24 divisors (see below), whose sum is σ = 218079232. Its totient is φ = 29206800.

The previous prime is 90541433. The next prime is 90541457. The reversal of 90541452 is 25414509.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (90541457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121324 + ... + 122067.

Almost surely, 2^90541452 is an apocalyptic number.

It is an amenable number.

90541452 is an abundant number, since it is smaller than the sum of its proper divisors (127537780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90541452 is a wasteful number, since it uses less digits than its factorization.

90541452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243429 (or 243427 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 90541452 is about 9515.3272145523. The cubic root of 90541452 is about 449.0373693895.

The spelling of 90541452 in words is "ninety million, five hundred forty-one thousand, four hundred fifty-two".