146784540 has 96 divisors (see below), whose sum is σ = 473324544. Its totient is φ = 33292800.

The previous prime is 146784487. The next prime is 146784541. The reversal of 146784540 is 45487641.

146784540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146784541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56265 + ... + 58815.

It is an arithmetic number, because the mean of its divisors is an integer number (4930464).

Almost surely, 2^146784540 is an apocalyptic number.

146784540 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 146784540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236662272).

146784540 is an abundant number, since it is smaller than the sum of its proper divisors (326540004).

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

146784540 is a wasteful number, since it uses less digits than its factorization.

146784540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 146784540 is about 12115.4669740790. The cubic root of 146784540 is about 527.5052326847.

The spelling of 146784540 in words is "one hundred forty-six million, seven hundred eighty-four thousand, five hundred forty".