145536621376 has 28 divisors (see below), whose sum is σ = 305787425508. Its totient is φ = 68487821312.

The previous prime is 145536621371. The next prime is 145536621397. The reversal of 145536621376 is 673126635541.

It can be written as a sum of positive squares in 2 ways, for example, as 79199467776 + 66337153600 = 281424^2 + 257560^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145536621371) 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, 66881551 + ... + 66883726.

Almost surely, 2^145536621376 is an apocalyptic number.

145536621376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145536621376 is an abundant number, since it is smaller than the sum of its proper divisors (160250804132).

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

145536621376 is a wasteful number, since it uses less digits than its factorization.

145536621376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133765306 (or 133765296 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 49.

The spelling of 145536621376 in words is "one hundred forty-five billion, five hundred thirty-six million, six hundred twenty-one thousand, three hundred seventy-six".