90741144 has 32 divisors (see below), whose sum is σ = 244303920. Its totient is φ = 27920256.

The previous prime is 90741143. The next prime is 90741163. The reversal of 90741144 is 44114709.

It is a super-3 number, since 3×90741144³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90741143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145107 + ... + 145730.

Almost surely, 2^90741144 is an apocalyptic number.

It is an amenable number.

90741144 is an abundant number, since it is smaller than the sum of its proper divisors (153562776).

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

90741144 is a wasteful number, since it uses less digits than its factorization.

90741144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290859 (or 290855 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 90741144 is about 9525.8146108351. The cubic root of 90741144 is about 449.3672489689.

The spelling of 90741144 in words is "ninety million, seven hundred forty-one thousand, one hundred forty-four".