1456747342 has 4 divisors (see below), whose sum is σ = 2185121016. Its totient is φ = 728373670.

The previous prime is 1456747307. The next prime is 1456747351. The reversal of 1456747342 is 2437476541.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1456747342² = 4244225636848129928, 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 as a sum of consecutive naturals, namely, 364186834 + ... + 364186837.

It is an arithmetic number, because the mean of its divisors is an integer number (546280254).

Almost surely, 2^1456747342 is an apocalyptic number.

1456747342 is a deficient number, since it is larger than the sum of its proper divisors (728373674).

1456747342 is an equidigital number, since it uses as much as digits as its factorization.

1456747342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728373673.

The product of its digits is 564480, while the sum is 43.

The square root of 1456747342 is about 38167.3596414528. The cubic root of 1456747342 is about 1133.6041090228.

The spelling of 1456747342 in words is "one billion, four hundred fifty-six million, seven hundred forty-seven thousand, three hundred forty-two".