45948890 has 16 divisors (see below), whose sum is σ = 89070408. Its totient is φ = 16965696.

The previous prime is 45948887. The next prime is 45948911. The reversal of 45948890 is 9884954.

It can be written as a sum of positive squares in 4 ways, for example, as 26615281 + 19333609 = 5159^2 + 4397^2 .

It is a super-2 number, since 2×45948890² = 4222600984464200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176597 + ... + 176856.

Almost surely, 2^45948890 is an apocalyptic number.

45948890 is a deficient number, since it is larger than the sum of its proper divisors (43121518).

45948890 is a wasteful number, since it uses less digits than its factorization.

45948890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353473.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 45948890 is about 6778.5610567435. The cubic root of 45948890 is about 358.1720353314.

The spelling of 45948890 in words is "forty-five million, nine hundred forty-eight thousand, eight hundred ninety".