90481141 has 4 divisors (see below), whose sum is σ = 91057612. Its totient is φ = 89904672.

The previous prime is 90481129. The next prime is 90481147. The reversal of 90481141 is 14118409.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18740241 + 71740900 = 4329^2 + 8470^2 .

It is a cyclic number.

It is not a de Polignac number, because 90481141 - 2¹⁵ = 90448373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90481147) 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, 288000 + ... + 288313.

It is an arithmetic number, because the mean of its divisors is an integer number (22764403).

Almost surely, 2^90481141 is an apocalyptic number.

It is an amenable number.

90481141 is a deficient number, since it is larger than the sum of its proper divisors (576471).

90481141 is a wasteful number, since it uses less digits than its factorization.

90481141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576470.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 90481141 is about 9512.1575365424. The cubic root of 90481141 is about 448.9376437662.

The spelling of 90481141 in words is "ninety million, four hundred eighty-one thousand, one hundred forty-one".