146266940 has 24 divisors (see below), whose sum is σ = 323327760. Its totient is φ = 55427328.

The previous prime is 146266931. The next prime is 146266943. The reversal of 146266940 is 49662641.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 146266894 and 146266903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146266943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192077 + ... + 192836.

It is an arithmetic number, because the mean of its divisors is an integer number (13471990).

Almost surely, 2^146266940 is an apocalyptic number.

146266940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146266940 is an abundant number, since it is smaller than the sum of its proper divisors (177060820).

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

146266940 is a wasteful number, since it uses less digits than its factorization.

146266940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384941 (or 384939 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 146266940 is about 12094.0869849691. The cubic root of 146266940 is about 526.8844627881.

The spelling of 146266940 in words is "one hundred forty-six million, two hundred sixty-six thousand, nine hundred forty".