145121532998 has 32 divisors (see below), whose sum is σ = 234907477056. Its totient is φ = 66842068608.

The previous prime is 145121532989. The next prime is 145121533003. The reversal of 145121532998 is 899235121541.

145121532998 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 an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40053815 + ... + 40057437.

It is an arithmetic number, because the mean of its divisors is an integer number (7340858658).

Almost surely, 2^145121532998 is an apocalyptic number.

145121532998 is a deficient number, since it is larger than the sum of its proper divisors (89785944058).

145121532998 is a wasteful number, since it uses less digits than its factorization.

145121532998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6368.

The product of its digits is 777600, while the sum is 50.

The spelling of 145121532998 in words is "one hundred forty-five billion, one hundred twenty-one million, five hundred thirty-two thousand, nine hundred ninety-eight".