145565155212 has 48 divisors (see below), whose sum is σ = 341842502400. Its totient is φ = 48209061312.

The previous prime is 145565155207. The next prime is 145565155217. The reversal of 145565155212 is 212551565541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145565155207) and next prime (145565155217).

It is not an unprimeable number, because it can be changed into a prime (145565155217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4687914 + ... + 4718862.

It is an arithmetic number, because the mean of its divisors is an integer number (7121718800).

Almost surely, 2^145565155212 is an apocalyptic number.

145565155212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145565155212 is an abundant number, since it is smaller than the sum of its proper divisors (196277347188).

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

145565155212 is a wasteful number, since it uses less digits than its factorization.

145565155212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33470 (or 33468 counting only the distinct ones).

The product of its digits is 300000, while the sum is 42.

The spelling of 145565155212 in words is "one hundred forty-five billion, five hundred sixty-five million, one hundred fifty-five thousand, two hundred twelve".