145363946 has 64 divisors (see below), whose sum is σ = 285573120. Its totient is φ = 53887680.

The previous prime is 145363913. The next prime is 145363961. The reversal of 145363946 is 649363541.

It is a super-2 number, since 2×145363946² = 42261353593381832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439001 + ... + 439331.

It is an arithmetic number, because the mean of its divisors is an integer number (4462080).

Almost surely, 2^145363946 is an apocalyptic number.

145363946 is a deficient number, since it is larger than the sum of its proper divisors (140209174).

145363946 is a wasteful number, since it uses less digits than its factorization.

145363946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its digits is 233280, while the sum is 41.

The square root of 145363946 is about 12056.6971430819. The cubic root of 145363946 is about 525.7979653668.

The spelling of 145363946 in words is "one hundred forty-five million, three hundred sixty-three thousand, nine hundred forty-six".