146993210 has 32 divisors (see below), whose sum is σ = 325648512. Its totient is φ = 46520640.

The previous prime is 146993153. The next prime is 146993213. The reversal of 146993210 is 12399641.

It is a super-2 number, since 2×146993210² = 43214007572208200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146993213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79856 + ... + 81675.

It is an arithmetic number, because the mean of its divisors is an integer number (10176516).

Almost surely, 2^146993210 is an apocalyptic number.

146993210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146993210 is an abundant number, since it is smaller than the sum of its proper divisors (178655302).

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

146993210 is a wasteful number, since it uses less digits than its factorization.

146993210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161558.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 146993210 is about 12124.0756348680. The cubic root of 146993210 is about 527.7550827873.

The spelling of 146993210 in words is "one hundred forty-six million, nine hundred ninety-three thousand, two hundred ten".