145311966 has 24 divisors (see below), whose sum is σ = 315090984. Its totient is φ = 48399120.

The previous prime is 145311931. The next prime is 145311977. The reversal of 145311966 is 669113541.

It is a super-2 number, since 2×145311966² = 42231134925570312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145311966.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 29136 + ... + 33756.

It is an arithmetic number, because the mean of its divisors is an integer number (13128791).

Almost surely, 2^145311966 is an apocalyptic number.

145311966 is an abundant number, since it is smaller than the sum of its proper divisors (169779018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145311966 is a wasteful number, since it uses less digits than its factorization.

145311966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376 (or 6373 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 145311966 is about 12054.5413019326. The cubic root of 145311966 is about 525.7352853663.

The spelling of 145311966 in words is "one hundred forty-five million, three hundred eleven thousand, nine hundred sixty-six".