145436289550 has 24 divisors (see below), whose sum is σ = 271172934000. Its totient is φ = 58032271680.

The previous prime is 145436289539. The next prime is 145436289553. The reversal of 145436289550 is 55982634541.

It is a happy number.

145436289550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145436289553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3535450 + ... + 3576349.

It is an arithmetic number, because the mean of its divisors is an integer number (11298872250).

Almost surely, 2^145436289550 is an apocalyptic number.

145436289550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145436289550 is a deficient number, since it is larger than the sum of its proper divisors (125736644450).

145436289550 is a wasteful number, since it uses less digits than its factorization.

145436289550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112220 (or 7112215 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 52.

The spelling of 145436289550 in words is "one hundred forty-five billion, four hundred thirty-six million, two hundred eighty-nine thousand, five hundred fifty".