88890146 has 4 divisors (see below), whose sum is σ = 133335222. Its totient is φ = 44445072.

The previous prime is 88890119. The next prime is 88890163. The reversal of 88890146 is 64109888.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59459521 + 29430625 = 7711^2 + 5425^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 88890097 and 88890106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22222535 + ... + 22222538.

Almost surely, 2^88890146 is an apocalyptic number.

88890146 is a deficient number, since it is larger than the sum of its proper divisors (44445076).

88890146 is a wasteful number, since it uses less digits than its factorization.

88890146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44445075.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 88890146 is about 9428.1570839693. The cubic root of 88890146 is about 446.2907372572.

The spelling of 88890146 in words is "eighty-eight million, eight hundred ninety thousand, one hundred forty-six".