145087000 has 64 divisors (see below), whose sum is σ = 351280800. Its totient is φ = 56022400.

The previous prime is 145086947. The next prime is 145087039. The reversal of 145087000 is 780541.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26499 + ... + 31501.

Almost surely, 2^145087000 is an apocalyptic number.

145087000 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 145087000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175640400).

145087000 is an abundant number, since it is smaller than the sum of its proper divisors (206193800).

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

145087000 is a wasteful number, since it uses less digits than its factorization.

145087000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053 (or 5039 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 145087000 is about 12045.2065154567. The cubic root of 145087000 is about 525.4638379994.

The spelling of 145087000 in words is "one hundred forty-five million, eighty-seven thousand".