145300650 has 96 divisors (see below), whose sum is σ = 397260288. Its totient is φ = 34852800.

The previous prime is 145300621. The next prime is 145300663. The reversal of 145300650 is 56003541.

It is a super-2 number, since 2×145300650² = 42224557780845000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 145300650.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176139 + ... + 176961.

It is an arithmetic number, because the mean of its divisors is an integer number (4138128).

Almost surely, 2^145300650 is an apocalyptic number.

145300650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145300650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198630144).

145300650 is an abundant number, since it is smaller than the sum of its proper divisors (251959638).

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

145300650 is a wasteful number, since it uses less digits than its factorization.

145300650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 145300650 is about 12054.0719261169. The cubic root of 145300650 is about 525.7216380045.

The spelling of 145300650 in words is "one hundred forty-five million, three hundred thousand, six hundred fifty".