144780700 has 18 divisors (see below), whose sum is σ = 314174336. Its totient is φ = 57912240.

The previous prime is 144780697. The next prime is 144780781. The reversal of 144780700 is 7087441.

It is a super-2 number, since 2×144780700² = 41922902184980000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 723804 + ... + 724003.

Almost surely, 2^144780700 is an apocalyptic number.

144780700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144780700 is an abundant number, since it is smaller than the sum of its proper divisors (169393636).

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

144780700 is a wasteful number, since it uses less digits than its factorization.

144780700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447821 (or 1447814 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 144780700 is about 12032.4851963341. The cubic root of 144780700 is about 525.0938003223.

The spelling of 144780700 in words is "one hundred forty-four million, seven hundred eighty thousand, seven hundred".