145344165012 has 72 divisors (see below), whose sum is σ = 389499382272. Its totient is φ = 45618033600.

The previous prime is 145344164993. The next prime is 145344165019. The reversal of 145344165012 is 210561443541.

145344165012 is a `hidden beast` number, since 1 + 453 + 44 + 165 + 0 + 1 + 2 = 666.

145344165012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145344165012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145344165019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1718664 + ... + 1801247.

Almost surely, 2^145344165012 is an apocalyptic number.

145344165012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145344165012 is an abundant number, since it is smaller than the sum of its proper divisors (244155217260).

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

145344165012 is a wasteful number, since it uses less digits than its factorization.

145344165012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519989 (or 3519984 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 145344165012 in words is "one hundred forty-five billion, three hundred forty-four million, one hundred sixty-five thousand, twelve".