145102650 has 192 divisors, whose sum is σ = 475683840. Its totient is φ = 28339200.

The previous prime is 145102627. The next prime is 145102651. The reversal of 145102650 is 56201541.

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 145102650.

It is not an unprimeable number, because it can be changed into a prime (145102651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 195981 + ... + 196719.

It is an arithmetic number, because the mean of its divisors is an integer number (2477520).

Almost surely, 2^145102650 is an apocalyptic number.

145102650 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 145102650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237841920).

145102650 is an abundant number, since it is smaller than the sum of its proper divisors (330581190).

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

145102650 is a wasteful number, since it uses less digits than its factorization.

145102650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 145102650 is about 12045.8561339574. The cubic root of 145102650 is about 525.4827306027.

The spelling of 145102650 in words is "one hundred forty-five million, one hundred two thousand, six hundred fifty".