145018964 has 12 divisors (see below), whose sum is σ = 253917300. Its totient is φ = 72471168.

The previous prime is 145018943. The next prime is 145018997. The reversal of 145018964 is 469810541.

It can be written as a sum of positive squares in 2 ways, for example, as 77088400 + 67930564 = 8780^2 + 8242^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 17030.

It is an arithmetic number, because the mean of its divisors is an integer number (21159775).

Almost surely, 2^145018964 is an apocalyptic number.

It is an amenable number.

145018964 is a deficient number, since it is larger than the sum of its proper divisors (108898336).

145018964 is a wasteful number, since it uses less digits than its factorization.

145018964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19162 (or 19160 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 145018964 is about 12042.3819902875. The cubic root of 145018964 is about 525.3816894786.

The spelling of 145018964 in words is "one hundred forty-five million, eighteen thousand, nine hundred sixty-four".