145893146 has 16 divisors (see below), whose sum is σ = 256862976. Its totient is φ = 60835536.

The previous prime is 145893119. The next prime is 145893157. The reversal of 145893146 is 641398541.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140306 + ... + 141341.

It is an arithmetic number, because the mean of its divisors is an integer number (16053936).

Almost surely, 2^145893146 is an apocalyptic number.

145893146 is a deficient number, since it is larger than the sum of its proper divisors (110969830).

145893146 is a wasteful number, since it uses less digits than its factorization.

145893146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281693.

The product of its digits is 103680, while the sum is 41.

The square root of 145893146 is about 12078.6235142917. The cubic root of 145893146 is about 526.4352515518.

The spelling of 145893146 in words is "one hundred forty-five million, eight hundred ninety-three thousand, one hundred forty-six".