1456428442 has 16 divisors (see below), whose sum is σ = 2498389632. Its totient is φ = 623769840.

The previous prime is 1456428439. The next prime is 1456428469. The reversal of 1456428442 is 2448246541.

It is a junction number, because it is equal to n+sod(n) for n = 1456428395 and 1456428404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12109 + ... + 55312.

It is an arithmetic number, because the mean of its divisors is an integer number (156149352).

Almost surely, 2^1456428442 is an apocalyptic number.

1456428442 is a deficient number, since it is larger than the sum of its proper divisors (1041961190).

1456428442 is a wasteful number, since it uses less digits than its factorization.

1456428442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68973.

The product of its digits is 245760, while the sum is 40.

The square root of 1456428442 is about 38163.1817593869. The cubic root of 1456428442 is about 1133.5213830020.

The spelling of 1456428442 in words is "one billion, four hundred fifty-six million, four hundred twenty-eight thousand, four hundred forty-two".