2045001552 has 160 divisors (see below), whose sum is σ = 6011805696. Its totient is φ = 593395200.

The previous prime is 2045001533. The next prime is 2045001557. The reversal of 2045001552 is 2551005402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045001557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1685298 + ... + 1686510.

Almost surely, 2^2045001552 is an apocalyptic number.

2045001552 is a gapful number since it is divisible by the number (22) 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 2045001552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3005902848).

2045001552 is an abundant number, since it is smaller than the sum of its proper divisors (3966804144).

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

2045001552 is a wasteful number, since it uses less digits than its factorization.

2045001552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 2045001552 is about 45221.6933782891. The cubic root of 2045001552 is about 1269.3007811201.

Adding to 2045001552 its reverse (2551005402), we get a palindrome (4596006954).

The spelling of 2045001552 in words is "two billion, forty-five million, one thousand, five hundred fifty-two".