145464868 has 6 divisors (see below), whose sum is σ = 254563526. Its totient is φ = 72732432.

The previous prime is 145464853. The next prime is 145464961. The reversal of 145464868 is 868464541.

It can be written as a sum of positive squares in only one way, i.e., 92582884 + 52881984 = 9622^2 + 7272^2 .

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 as a sum of consecutive naturals, namely, 18183105 + ... + 18183112.

Almost surely, 2^145464868 is an apocalyptic number.

It is an amenable number.

145464868 is a deficient number, since it is larger than the sum of its proper divisors (109098658).

145464868 is a wasteful number, since it uses less digits than its factorization.

145464868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36366221 (or 36366219 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 145464868 is about 12060.8817256451. The cubic root of 145464868 is about 525.9196193441.

The spelling of 145464868 in words is "one hundred forty-five million, four hundred sixty-four thousand, eight hundred sixty-eight".