146243146 has 48 divisors (see below), whose sum is σ = 276909192. Its totient is φ = 57523200.

The previous prime is 146243107. The next prime is 146243159. The reversal of 146243146 is 641342641.

It can be written as a sum of positive squares in 4 ways, for example, as 137804121 + 8439025 = 11739^2 + 2905^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67236 + ... + 69376.

Almost surely, 2^146243146 is an apocalyptic number.

146243146 is a deficient number, since it is larger than the sum of its proper divisors (130666046).

146243146 is a wasteful number, since it uses less digits than its factorization.

146243146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215 (or 2208 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 146243146 is about 12093.1032411040. The cubic root of 146243146 is about 526.8558908981.

Adding to 146243146 its reverse (641342641), we get a palindrome (787585787).

The spelling of 146243146 in words is "one hundred forty-six million, two hundred forty-three thousand, one hundred forty-six".