145255600 has 90 divisors (see below), whose sum is σ = 406007124. Its totient is φ = 49795200.

The previous prime is 145255597. The next prime is 145255631. The reversal of 145255600 is 6552541.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15895 + ... + 23305.

Almost surely, 2^145255600 is an apocalyptic number.

145255600 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 145255600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203003562).

145255600 is an abundant number, since it is smaller than the sum of its proper divisors (260751524).

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

145255600 is a wasteful number, since it uses less digits than its factorization.

145255600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7443 (or 7425 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 145255600 is about 12052.2031181025. The cubic root of 145255600 is about 525.6672996197.

The spelling of 145255600 in words is "one hundred forty-five million, two hundred fifty-five thousand, six hundred".