145414420512 has 48 divisors (see below), whose sum is σ = 382009309920. Its totient is φ = 48433828352.

The previous prime is 145414420447. The next prime is 145414420517. The reversal of 145414420512 is 215024414541.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×145414420512² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145414420517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463818 + ... + 711305.

It is an arithmetic number, because the mean of its divisors is an integer number (7958527290).

Almost surely, 2^145414420512 is an apocalyptic number.

145414420512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145414420512 is an abundant number, since it is smaller than the sum of its proper divisors (236594889408).

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

145414420512 is a wasteful number, since it uses less digits than its factorization.

145414420512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176425 (or 1176417 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 145414420512 in words is "one hundred forty-five billion, four hundred fourteen million, four hundred twenty thousand, five hundred twelve".