90148983 has 16 divisors (see below), whose sum is σ = 128818176. Its totient is φ = 55931040.

The previous prime is 90148897. The next prime is 90148997. The reversal of 90148983 is 38984109.

It is not a de Polignac number, because 90148983 - 2²² = 85954679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90148183) 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, 15103 + ... + 20208.

It is an arithmetic number, because the mean of its divisors is an integer number (8051136).

Almost surely, 2^90148983 is an apocalyptic number.

90148983 is a deficient number, since it is larger than the sum of its proper divisors (38669193).

90148983 is a wasteful number, since it uses less digits than its factorization.

90148983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35374.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 90148983 is about 9494.6818272125. The cubic root of 90148983 is about 448.3876172699.

The spelling of 90148983 in words is "ninety million, one hundred forty-eight thousand, nine hundred eighty-three".