145547000 has 32 divisors (see below), whose sum is σ = 340582320. Its totient is φ = 58218400.

The previous prime is 145546963. The next prime is 145547029. The reversal of 145547000 is 745541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71774 + ... + 73773.

Almost surely, 2^145547000 is an apocalyptic number.

145547000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145547000 is an abundant number, since it is smaller than the sum of its proper divisors (195035320).

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

145547000 is a wasteful number, since it uses less digits than its factorization.

145547000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145568 (or 145554 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 145547000 is about 12064.2861371902. The cubic root of 145547000 is about 526.0185818492.

The spelling of 145547000 in words is "one hundred forty-five million, five hundred forty-seven thousand".