1072457144 has 16 divisors (see below), whose sum is σ = 2193662520. Its totient is φ = 487480480.

The previous prime is 1072457137. The next prime is 1072457159. The reversal of 1072457144 is 4417542701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6093419 + ... + 6093594.

Almost surely, 2^1072457144 is an apocalyptic number.

It is an amenable number.

1072457144 is an abundant number, since it is smaller than the sum of its proper divisors (1121205376).

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

1072457144 is a wasteful number, since it uses less digits than its factorization.

1072457144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12187030 (or 12187026 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 1072457144 is about 32748.3914719487. The cubic root of 1072457144 is about 1023.5914482456.

Adding to 1072457144 its reverse (4417542701), we get a palindrome (5489999845).

The spelling of 1072457144 in words is "one billion, seventy-two million, four hundred fifty-seven thousand, one hundred forty-four".