90263102 has 4 divisors (see below), whose sum is σ = 135394656. Its totient is φ = 45131550.

The previous prime is 90263087. The next prime is 90263141. The reversal of 90263102 is 20136209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20136209 = 919 ⋅21911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22565774 + ... + 22565777.

It is an arithmetic number, because the mean of its divisors is an integer number (33848664).

Almost surely, 2^90263102 is an apocalyptic number.

90263102 is a deficient number, since it is larger than the sum of its proper divisors (45131554).

90263102 is a wasteful number, since it uses less digits than its factorization.

90263102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45131553.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 90263102 is about 9500.6895539219. The cubic root of 90263102 is about 448.5767411262.

The spelling of 90263102 in words is "ninety million, two hundred sixty-three thousand, one hundred two".