1451485889 has 12 divisors (see below), whose sum is σ = 1689326100. Its totient is φ = 1243495008.

The previous prime is 1451485877. The next prime is 1451485907. The reversal of 1451485889 is 9885841541.

It can be written as a sum of positive squares in 2 ways, for example, as 1176490000 + 274995889 = 34300^2 + 16583^2 .

It is not a de Polignac number, because 1451485889 - 2¹² = 1451481793 is a prime.

It is a super-2 number, since 2×1451485889² = 4213622571932240642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1451485889.

It is not an unprimeable number, because it can be changed into a prime (1451484889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106727 + ... + 119555.

It is an arithmetic number, because the mean of its divisors is an integer number (140777175).

Almost surely, 2^1451485889 is an apocalyptic number.

It is an amenable number.

1451485889 is a deficient number, since it is larger than the sum of its proper divisors (237840211).

1451485889 is a wasteful number, since it uses less digits than its factorization.

1451485889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15152 (or 15145 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 53.

The square root of 1451485889 is about 38098.3712119035. The cubic root of 1451485889 is about 1132.2376858690.

The spelling of 1451485889 in words is "one billion, four hundred fifty-one million, four hundred eighty-five thousand, eight hundred eighty-nine".