90464142 has 8 divisors (see below), whose sum is σ = 180928296. Its totient is φ = 30154712.

The previous prime is 90464141. The next prime is 90464147. The reversal of 90464142 is 24146409.

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

90464142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90464141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7538673 + ... + 7538684.

It is an arithmetic number, because the mean of its divisors is an integer number (22616037).

Almost surely, 2^90464142 is an apocalyptic number.

90464142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

90464142 is a wasteful number, since it uses less digits than its factorization.

90464142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077362.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 90464142 is about 9511.2639538602. The cubic root of 90464142 is about 448.9095275241.

The spelling of 90464142 in words is "ninety million, four hundred sixty-four thousand, one hundred forty-two".