1645150350 has 96 divisors (see below), whose sum is σ = 4339516896. Its totient is φ = 411033600.

The previous prime is 1645150337. The next prime is 1645150357. The reversal of 1645150350 is 530515461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1645150357) by changing a digit.

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, 613212 + ... + 615888.

It is an arithmetic number, because the mean of its divisors is an integer number (45203301).

Almost surely, 2^1645150350 is an apocalyptic number.

1645150350 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 1645150350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2169758448).

1645150350 is an abundant number, since it is smaller than the sum of its proper divisors (2694366546).

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

1645150350 is a wasteful number, since it uses less digits than its factorization.

1645150350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1645150350 is about 40560.4530300143. The cubic root of 1645150350 is about 1180.5069042086.

The spelling of 1645150350 in words is "one billion, six hundred forty-five million, one hundred fifty thousand, three hundred fifty".