90459542 has 8 divisors (see below), whose sum is σ = 137324376. Its totient is φ = 44684752.

The previous prime is 90459541. The next prime is 90459553. The reversal of 90459542 is 24595409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 90459496 and 90459505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90459541) 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 3 ways as a sum of consecutive naturals, for example, 272303 + ... + 272634.

It is an arithmetic number, because the mean of its divisors is an integer number (17165547).

Almost surely, 2^90459542 is an apocalyptic number.

90459542 is a deficient number, since it is larger than the sum of its proper divisors (46864834).

90459542 is a wasteful number, since it uses less digits than its factorization.

90459542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545022.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 90459542 is about 9511.0221322421. The cubic root of 90459542 is about 448.9019185468.

The spelling of 90459542 in words is "ninety million, four hundred fifty-nine thousand, five hundred forty-two".