146269818 has 12 divisors (see below), whose sum is σ = 316917978. Its totient is φ = 48756600.

The previous prime is 146269813. The next prime is 146269841. The reversal of 146269818 is 818962641.

146269818 is a `hidden beast` number, since 1 + 4 + 626 + 9 + 8 + 18 = 666.

It can be written as a sum of positive squares in only one way, i.e., 129891609 + 16378209 = 11397^2 + 4047^2 .

It is not an unprimeable number, because it can be changed into a prime (146269813) 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 5 ways as a sum of consecutive naturals, for example, 4063033 + ... + 4063068.

Almost surely, 2^146269818 is an apocalyptic number.

146269818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

146269818 is an abundant number, since it is smaller than the sum of its proper divisors (170648160).

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

146269818 is a wasteful number, since it uses less digits than its factorization.

146269818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126109 (or 8126106 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 146269818 is about 12094.2059681485. The cubic root of 146269818 is about 526.8879184870.

The spelling of 146269818 in words is "one hundred forty-six million, two hundred sixty-nine thousand, eight hundred eighteen".