90463042 has 4 divisors (see below), whose sum is σ = 135694566. Its totient is φ = 45231520.

The previous prime is 90463019. The next prime is 90463057. The reversal of 90463042 is 24036409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24036409 = 2897 ⋅8297.

It can be written as a sum of positive squares in only one way, i.e., 65950641 + 24512401 = 8121^2 + 4951^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90463042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22615759 + ... + 22615762.

Almost surely, 2^90463042 is an apocalyptic number.

90463042 is a deficient number, since it is larger than the sum of its proper divisors (45231524).

90463042 is a wasteful number, since it uses less digits than its factorization.

90463042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45231523.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 90463042 is about 9511.2061275109. The cubic root of 90463042 is about 448.9077080095.

The spelling of 90463042 in words is "ninety million, four hundred sixty-three thousand, forty-two".