146797218 has 32 divisors (see below), whose sum is σ = 326649600. Its totient is φ = 48867408.

The previous prime is 146797207. The next prime is 146797229. The reversal of 146797218 is 812797641.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (146797207) and next prime (146797229).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56455 + ... + 58997.

It is an arithmetic number, because the mean of its divisors is an integer number (10207800).

Almost surely, 2^146797218 is an apocalyptic number.

146797218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

146797218 is an abundant number, since it is smaller than the sum of its proper divisors (179852382).

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

146797218 is a wasteful number, since it uses less digits than its factorization.

146797218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623 (or 3617 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 146797218 is about 12115.9901782727. The cubic root of 146797218 is about 527.5204193858.

The spelling of 146797218 in words is "one hundred forty-six million, seven hundred ninety-seven thousand, two hundred eighteen".