445154140 has 24 divisors (see below), whose sum is σ = 935363520. Its totient is φ = 177958848.

The previous prime is 445154119. The next prime is 445154153. The reversal of 445154140 is 41451544.

It is a super-3 number, since 3×445154140³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445154099 and 445154108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35866 + ... + 46654.

It is an arithmetic number, because the mean of its divisors is an integer number (38973480).

Almost surely, 2^445154140 is an apocalyptic number.

It is an amenable number.

445154140 is an abundant number, since it is smaller than the sum of its proper divisors (490209380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445154140 is a wasteful number, since it uses less digits than its factorization.

445154140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12861 (or 12859 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 445154140 is about 21098.6762617942. The cubic root of 445154140 is about 763.5488116573.

The spelling of 445154140 in words is "four hundred forty-five million, one hundred fifty-four thousand, one hundred forty".