90454546 has 24 divisors (see below), whose sum is σ = 167914944. Its totient is φ = 35783280.

The previous prime is 90454543. The next prime is 90454547. The reversal of 90454546 is 64545409.

It is a super-2 number, since 2×90454546² = 16364049784132232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90454541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16750 + ... + 21481.

It is an arithmetic number, because the mean of its divisors is an integer number (6996456).

Almost surely, 2^90454546 is an apocalyptic number.

90454546 is a deficient number, since it is larger than the sum of its proper divisors (77460398).

90454546 is a wasteful number, since it uses less digits than its factorization.

90454546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38266 (or 38253 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 90454546 is about 9510.7594859717. The cubic root of 90454546 is about 448.8936542435.

The spelling of 90454546 in words is "ninety million, four hundred fifty-four thousand, five hundred forty-six".