146266540 has 24 divisors (see below), whose sum is σ = 351040032. Its totient is φ = 50148480.

The previous prime is 146266537. The next prime is 146266553. The reversal of 146266540 is 45662641.

It is a junction number, because it is equal to n+sod(n) for n = 146266496 and 146266505.

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, 522241 + ... + 522520.

It is an arithmetic number, because the mean of its divisors is an integer number (14626668).

Almost surely, 2^146266540 is an apocalyptic number.

146266540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146266540 is an abundant number, since it is smaller than the sum of its proper divisors (204773492).

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

146266540 is a wasteful number, since it uses less digits than its factorization.

146266540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044777 (or 1044775 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 146266540 is about 12094.0704479509. The cubic root of 146266540 is about 526.8839824928.

The spelling of 146266540 in words is "one hundred forty-six million, two hundred sixty-six thousand, five hundred forty".