145061889400 has 48 divisors (see below), whose sum is σ = 337388271840. Its totient is φ = 58004217600.

The previous prime is 145061889391. The next prime is 145061889419. The reversal of 145061889400 is 4988160541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444465 + ... + 698335.

It is an arithmetic number, because the mean of its divisors is an integer number (7028922330).

Almost surely, 2^145061889400 is an apocalyptic number.

145061889400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145061889400 is an abundant number, since it is smaller than the sum of its proper divisors (192326382440).

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

145061889400 is a wasteful number, since it uses less digits than its factorization.

145061889400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256744 (or 256735 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 145061889400 in words is "one hundred forty-five billion, sixty-one million, eight hundred eighty-nine thousand, four hundred".