145377063620 has 24 divisors (see below), whose sum is σ = 305309790744. Its totient is φ = 58147405056.

The previous prime is 145377063571. The next prime is 145377063641. The reversal of 145377063620 is 26360773541.

It can be written as a sum of positive squares in 4 ways, for example, as 54934921924 + 90442141696 = 234382^2 + 300736^2 .

It is a super-2 number, since 2×145377063620² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149834 + ... + 559646.

It is an arithmetic number, because the mean of its divisors is an integer number (12721241281).

Almost surely, 2^145377063620 is an apocalyptic number.

145377063620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145377063620 is an abundant number, since it is smaller than the sum of its proper divisors (159932727124).

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

145377063620 is a wasteful number, since it uses less digits than its factorization.

145377063620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427559 (or 427557 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 145377063620 in words is "one hundred forty-five billion, three hundred seventy-seven million, sixty-three thousand, six hundred twenty".