90454365 has 48 divisors (see below), whose sum is σ = 166980528. Its totient is φ = 45139968.

The previous prime is 90454363. The next prime is 90454369. The reversal of 90454365 is 56345409.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2732409 + 87721956 = 1653^2 + 9366^2 .

It is not a de Polignac number, because 90454365 - 2¹ = 90454363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90454361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 242319 + ... + 242691.

It is an arithmetic number, because the mean of its divisors is an integer number (3478761).

Almost surely, 2^90454365 is an apocalyptic number.

It is an amenable number.

90454365 is a deficient number, since it is larger than the sum of its proper divisors (76526163).

90454365 is a wasteful number, since it uses less digits than its factorization.

90454365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 90454365 is about 9510.7499704282. The cubic root of 90454365 is about 448.8933548305.

The spelling of 90454365 in words is "ninety million, four hundred fifty-four thousand, three hundred sixty-five".