146105440 has 96 divisors (see below), whose sum is σ = 391396320. Its totient is φ = 51093504.

The previous prime is 146105437. The next prime is 146105483. The reversal of 146105440 is 44501641.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37672 + ... + 41368.

It is an arithmetic number, because the mean of its divisors is an integer number (4077045).

Almost surely, 2^146105440 is an apocalyptic number.

146105440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146105440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195698160).

146105440 is an abundant number, since it is smaller than the sum of its proper divisors (245290880).

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

146105440 is a wasteful number, since it uses less digits than its factorization.

146105440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744 (or 3736 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 146105440 is about 12087.4083243680. The cubic root of 146105440 is about 526.6904723168.

The spelling of 146105440 in words is "one hundred forty-six million, one hundred five thousand, four hundred forty".