90558142 has 16 divisors (see below), whose sum is σ = 143724240. Its totient is φ = 42674688.

The previous prime is 90558131. The next prime is 90558211. The reversal of 90558142 is 24185509.

It is a junction number, because it is equal to n+sod(n) for n = 90558098 and 90558107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438 + ... + 13534.

It is an arithmetic number, because the mean of its divisors is an integer number (8982765).

Almost surely, 2^90558142 is an apocalyptic number.

90558142 is a deficient number, since it is larger than the sum of its proper divisors (53166098).

90558142 is a wasteful number, since it uses less digits than its factorization.

90558142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12315.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 90558142 is about 9516.2041802391. The cubic root of 90558142 is about 449.0649588640.

The spelling of 90558142 in words is "ninety million, five hundred fifty-eight thousand, one hundred forty-two".