145555512 has 16 divisors (see below), whose sum is σ = 363888840. Its totient is φ = 48518496.

The previous prime is 145555511. The next prime is 145555591. The reversal of 145555512 is 215555541.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145555511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032383 + ... + 3032430.

Almost surely, 2^145555512 is an apocalyptic number.

145555512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145555512 is an abundant number, since it is smaller than the sum of its proper divisors (218333328).

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

145555512 is a wasteful number, since it uses less digits than its factorization.

145555512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064822 (or 6064818 counting only the distinct ones).

The product of its digits is 25000, while the sum is 33.

The square root of 145555512 is about 12064.6389088112. The cubic root of 145555512 is about 526.0288360005.

The spelling of 145555512 in words is "one hundred forty-five million, five hundred fifty-five thousand, five hundred twelve".