145900650 has 96 divisors (see below), whose sum is σ = 415830528. Its totient is φ = 33163200.

The previous prime is 145900627. The next prime is 145900691. The reversal of 145900650 is 56009541.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 47 ways as a sum of consecutive naturals, for example, 296905 + ... + 297395.

It is an arithmetic number, because the mean of its divisors is an integer number (4331568).

Almost surely, 2^145900650 is an apocalyptic number.

145900650 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 145900650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207915264).

145900650 is an abundant number, since it is smaller than the sum of its proper divisors (269929878).

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

145900650 is a wasteful number, since it uses less digits than its factorization.

145900650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 145900650 is about 12078.9341417196. The cubic root of 145900650 is about 526.4442771127. Note that the first 3 decimals are identical.

The spelling of 145900650 in words is "one hundred forty-five million, nine hundred thousand, six hundred fifty".