1457444142 has 72 divisors (see below), whose sum is σ = 4007322072. Its totient is φ = 378554400.

The previous prime is 1457444141. The next prime is 1457444143. The reversal of 1457444142 is 2414447541.

1457444142 is a `hidden beast` number, since 1 + 4 + 574 + 4 + 41 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (1457444141) and next prime (1457444143).

It is a junction number, because it is equal to n+sod(n) for n = 1457444097 and 1457444106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457444141) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 65409 + ... + 84812.

It is an arithmetic number, because the mean of its divisors is an integer number (55657251).

Almost surely, 2^1457444142 is an apocalyptic number.

1457444142 is an abundant number, since it is smaller than the sum of its proper divisors (2549877930).

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

1457444142 is a wasteful number, since it uses less digits than its factorization.

1457444142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150254 (or 150244 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 1457444142 is about 38176.4867686905. The cubic root of 1457444142 is about 1133.7848242852.

The spelling of 1457444142 in words is "one billion, four hundred fifty-seven million, four hundred forty-four thousand, one hundred forty-two".