146297255218 has 4 divisors (see below), whose sum is σ = 219445882830. Its totient is φ = 73148627608.

The previous prime is 146297255189. The next prime is 146297255219. The reversal of 146297255218 is 812552792641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118609293609 + 27687961609 = 344397^2 + 166397^2 .

It is not an unprimeable number, because it can be changed into a prime (146297255219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36574313803 + ... + 36574313806.

Almost surely, 2^146297255218 is an apocalyptic number.

146297255218 is a deficient number, since it is larger than the sum of its proper divisors (73148627612).

146297255218 is an equidigital number, since it uses as much as digits as its factorization.

146297255218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73148627611.

The product of its digits is 2419200, while the sum is 52.

The spelling of 146297255218 in words is "one hundred forty-six billion, two hundred ninety-seven million, two hundred fifty-five thousand, two hundred eighteen".