145842196 has 6 divisors (see below), whose sum is σ = 255223850. Its totient is φ = 72921096.

The previous prime is 145842181. The next prime is 145842209. The reversal of 145842196 is 691248541.

It can be written as a sum of positive squares in only one way, i.e., 85562500 + 60279696 = 9250^2 + 7764^2 .

It is a super-2 number, since 2×145842196² = 42539892268204832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18230271 + ... + 18230278.

Almost surely, 2^145842196 is an apocalyptic number.

It is an amenable number.

145842196 is a deficient number, since it is larger than the sum of its proper divisors (109381654).

145842196 is a wasteful number, since it uses less digits than its factorization.

145842196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36460553 (or 36460551 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 145842196 is about 12076.5142321781. The cubic root of 145842196 is about 526.3739624058.

The spelling of 145842196 in words is "one hundred forty-five million, eight hundred forty-two thousand, one hundred ninety-six".