146455898 has 4 divisors (see below), whose sum is σ = 219683850. Its totient is φ = 73227948.

The previous prime is 146455891. The next prime is 146455931. The reversal of 146455898 is 898554641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898554641 = 137 ⋅6558793.

It can be written as a sum of positive squares in only one way, i.e., 96569929 + 49885969 = 9827^2 + 7063^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146455891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36613973 + ... + 36613976.

Almost surely, 2^146455898 is an apocalyptic number.

146455898 is a deficient number, since it is larger than the sum of its proper divisors (73227952).

146455898 is an equidigital number, since it uses as much as digits as its factorization.

146455898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73227951.

The product of its digits is 1382400, while the sum is 50.

The square root of 146455898 is about 12101.8964629516. The cubic root of 146455898 is about 527.1112540520. Note that the first 3 decimals are identical.

The spelling of 146455898 in words is "one hundred forty-six million, four hundred fifty-five thousand, eight hundred ninety-eight".