99190454 has 32 divisors (see below), whose sum is σ = 167269536. Its totient is φ = 43729920.

The previous prime is 99190433. The next prime is 99190459. The reversal of 99190454 is 45409199.

It is a happy number.

It is a super-2 number, since 2×99190454² = 19677492329452232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99190459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112664 + ... + 113540.

It is an arithmetic number, because the mean of its divisors is an integer number (5227173).

Almost surely, 2^99190454 is an apocalyptic number.

99190454 is a deficient number, since it is larger than the sum of its proper divisors (68079082).

99190454 is a wasteful number, since it uses less digits than its factorization.

99190454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 99190454 is about 9959.4404461295. The cubic root of 99190454 is about 462.9029615934.

The spelling of 99190454 in words is "ninety-nine million, one hundred ninety thousand, four hundred fifty-four".