145890446032 has 20 divisors (see below), whose sum is σ = 297539726080. Its totient is φ = 69106000608.

The previous prime is 145890446003. The next prime is 145890446047. The reversal of 145890446032 is 230644098541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239951088 + ... + 239951695.

It is an arithmetic number, because the mean of its divisors is an integer number (14876986304).

Almost surely, 2^145890446032 is an apocalyptic number.

It is an amenable number.

145890446032 is an abundant number, since it is smaller than the sum of its proper divisors (151649280048).

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

145890446032 is a wasteful number, since it uses less digits than its factorization.

145890446032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479902810 (or 479902804 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 145890446032 in words is "one hundred forty-five billion, eight hundred ninety million, four hundred forty-six thousand, thirty-two".