90763545 has 16 divisors (see below), whose sum is σ = 148764672. Its totient is φ = 47226240.

The previous prime is 90763531. The next prime is 90763573. The reversal of 90763545 is 54536709.

It is not a de Polignac number, because 90763545 - 2⁴ = 90763529 is a prime.

It is a super-2 number, since 2×90763545² = 16476042201934050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73177 + ... + 74406.

It is an arithmetic number, because the mean of its divisors is an integer number (9297792).

Almost surely, 2^90763545 is an apocalyptic number.

It is an amenable number.

90763545 is a deficient number, since it is larger than the sum of its proper divisors (58001127).

90763545 is a wasteful number, since it uses less digits than its factorization.

90763545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147632.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 90763545 is about 9526.9903432301. The cubic root of 90763545 is about 449.4042239179.

It can be divided in two parts, 9076 and 3545, that added together give a palindrome (12621).

The spelling of 90763545 in words is "ninety million, seven hundred sixty-three thousand, five hundred forty-five".