1651485144 has 48 divisors (see below), whose sum is σ = 4191528600. Its totient is φ = 542243328.

The previous prime is 1651485137. The next prime is 1651485151. The reversal of 1651485144 is 4415841561.

It is an interprime number because it is at equal distance from previous prime (1651485137) and next prime (1651485151).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 100072 + ... + 115400.

Almost surely, 2^1651485144 is an apocalyptic number.

It is an amenable number.

1651485144 is an abundant number, since it is smaller than the sum of its proper divisors (2540043456).

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

1651485144 is a wasteful number, since it uses less digits than its factorization.

1651485144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15472 (or 15401 counting only the distinct ones).

The product of its digits is 76800, while the sum is 39.

The square root of 1651485144 is about 40638.4687703658. The cubic root of 1651485144 is about 1182.0201782510.

The spelling of 1651485144 in words is "one billion, six hundred fifty-one million, four hundred eighty-five thousand, one hundred forty-four".