145354512 has 40 divisors (see below), whose sum is σ = 384662880. Its totient is φ = 47269120.

The previous prime is 145354511. The next prime is 145354519. The reversal of 145354512 is 215453541.

It is a super-2 number, since 2×145354512² = 42255868317516288, 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 145354512.

It is not an unprimeable number, because it can be changed into a prime (145354511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34962 + ... + 38897.

It is an arithmetic number, because the mean of its divisors is an integer number (9616572).

Almost surely, 2^145354512 is an apocalyptic number.

145354512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145354512 is an abundant number, since it is smaller than the sum of its proper divisors (239308368).

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

145354512 is a wasteful number, since it uses less digits than its factorization.

145354512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73911 (or 73905 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 145354512 is about 12056.3059018922. The cubic root of 145354512 is about 525.7865905028.

The spelling of 145354512 in words is "one hundred forty-five million, three hundred fifty-four thousand, five hundred twelve".