90750141 has 12 divisors (see below), whose sum is σ = 132930720. Its totient is φ = 59647560.

The previous prime is 90750139. The next prime is 90750173. The reversal of 90750141 is 14105709.

It is not a de Polignac number, because 90750141 - 2¹ = 90750139 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90750241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70371 + ... + 71648.

It is an arithmetic number, because the mean of its divisors is an integer number (11077560).

Almost surely, 2^90750141 is an apocalyptic number.

It is an amenable number.

90750141 is a deficient number, since it is larger than the sum of its proper divisors (42180579).

90750141 is a wasteful number, since it uses less digits than its factorization.

90750141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142096 (or 142093 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 90750141 is about 9526.2868422067. The cubic root of 90750141 is about 449.3821000914.

The spelling of 90750141 in words is "ninety million, seven hundred fifty thousand, one hundred forty-one".