1456574149 has 2 divisors, whose sum is σ = 1456574150. Its totient is φ = 1456574148.

The previous prime is 1456574137. The next prime is 1456574177. The reversal of 1456574149 is 9414756541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1085241249 + 371332900 = 32943^2 + 19270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456574149 - 2¹⁵ = 1456541381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1456574099 and 1456574108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1456574179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728287074 + 728287075.

It is an arithmetic number, because the mean of its divisors is an integer number (728287075).

Almost surely, 2^1456574149 is an apocalyptic number.

It is an amenable number.

1456574149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1456574149 is an equidigital number, since it uses as much as digits as its factorization.

1456574149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 1456574149 is about 38165.0907112770. The cubic root of 1456574149 is about 1133.5591824315.

The spelling of 1456574149 in words is "one billion, four hundred fifty-six million, five hundred seventy-four thousand, one hundred forty-nine".