90245141 has 16 divisors (see below), whose sum is σ = 106057728. Its totient is φ = 75177600.

The previous prime is 90245137. The next prime is 90245147. The reversal of 90245141 is 14154209.

It is not a de Polignac number, because 90245141 - 2² = 90245137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90245141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90245147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109511 + ... + 110331.

It is an arithmetic number, because the mean of its divisors is an integer number (6628608).

Almost surely, 2^90245141 is an apocalyptic number.

It is an amenable number.

90245141 is a deficient number, since it is larger than the sum of its proper divisors (15812587).

90245141 is a wasteful number, since it uses less digits than its factorization.

90245141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 90245141 is about 9499.7442597156. The cubic root of 90245141 is about 448.5469858105.

The spelling of 90245141 in words is "ninety million, two hundred forty-five thousand, one hundred forty-one".