1146456540 has 144 divisors (see below), whose sum is σ = 3768212448. Its totient is φ = 281014272.

The previous prime is 1146456481. The next prime is 1146456541. The reversal of 1146456540 is 456546411.

1146456540 is a `hidden beast` number, since 1 + 1 + 4 + 64 + 56 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1146456495 and 1146456504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146456541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127224 + ... + 135936.

It is an arithmetic number, because the mean of its divisors is an integer number (26168142).

Almost surely, 2^1146456540 is an apocalyptic number.

1146456540 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 1146456540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1884106224).

1146456540 is an abundant number, since it is smaller than the sum of its proper divisors (2621755908).

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

1146456540 is a wasteful number, since it uses less digits than its factorization.

1146456540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8788 (or 8783 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1146456540 is about 33859.3641405151. The cubic root of 1146456540 is about 1046.6123747426.

The spelling of 1146456540 in words is "one billion, one hundred forty-six million, four hundred fifty-six thousand, five hundred forty".