145307527760220 has 96 divisors (see below), whose sum is σ = 472606778896896. Its totient is φ = 32668671340800.

The previous prime is 145307527760137. The next prime is 145307527760273. The reversal of 145307527760220 is 22067725703541.

It is a super-2 number, since 2×145307527760220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2835796546 + ... + 2835847785.

It is an arithmetic number, because the mean of its divisors is an integer number (4922987280176).

Almost surely, 2^{145307527760220} is an apocalyptic number.

145307527760220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145307527760220 is an abundant number, since it is smaller than the sum of its proper divisors (327299251136676).

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

145307527760220 is a wasteful number, since it uses less digits than its factorization.

145307527760220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671644411 (or 5671644409 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 51.

The spelling of 145307527760220 in words is "one hundred forty-five trillion, three hundred seven billion, five hundred twenty-seven million, seven hundred sixty thousand, two hundred twenty".