145446000 has 160 divisors (see below), whose sum is σ = 536060928. Its totient is φ = 33235200.

The previous prime is 145445977. The next prime is 145446011. The reversal of 145446000 is 644541.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40269 + ... + 43731.

Almost surely, 2^145446000 is an apocalyptic number.

145446000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145446000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268030464).

145446000 is an abundant number, since it is smaller than the sum of its proper divisors (390614928).

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

145446000 is a wasteful number, since it uses less digits than its factorization.

145446000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496 (or 3480 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 145446000 is about 12060.0995020771. The cubic root of 145446000 is about 525.8968796486.

The spelling of 145446000 in words is "one hundred forty-five million, four hundred forty-six thousand".