145051500 has 192 divisors, whose sum is σ = 471744000. Its totient is φ = 34336000.

The previous prime is 145051499. The next prime is 145051519. The reversal of 145051500 is 5150541.

145051500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 973426 + ... + 973574.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2^145051500 is an apocalyptic number.

145051500 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 145051500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235872000).

145051500 is an abundant number, since it is smaller than the sum of its proper divisors (326692500).

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

145051500 is a wasteful number, since it uses less digits than its factorization.

145051500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 145051500 is about 12043.7328100552. The cubic root of 145051500 is about 525.4209775366.

The spelling of 145051500 in words is "one hundred forty-five million, fifty-one thousand, five hundred".