90756146 has 16 divisors (see below), whose sum is σ = 147460824. Its totient is φ = 41643264.

The previous prime is 90756131. The next prime is 90756151. The reversal of 90756146 is 64165709.

It can be written as a sum of positive squares in 4 ways, for example, as 85285225 + 5470921 = 9235^2 + 2339^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5591 + ... + 14586.

Almost surely, 2^90756146 is an apocalyptic number.

90756146 is a deficient number, since it is larger than the sum of its proper divisors (56704678).

90756146 is a wasteful number, since it uses less digits than its factorization.

90756146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20365.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 90756146 is about 9526.6020175087. The cubic root of 90756146 is about 449.3920118482.

The spelling of 90756146 in words is "ninety million, seven hundred fifty-six thousand, one hundred forty-six".