1456252145 has 16 divisors (see below), whose sum is σ = 1791831888. Its totient is φ = 1135503360.

The previous prime is 1456252141. The next prime is 1456252157. The reversal of 1456252145 is 5412526541.

It can be written as a sum of positive squares in 8 ways, for example, as 211644304 + 1244607841 = 14548^2 + 35279^2 .

It is not a de Polignac number, because 1456252145 - 2² = 1456252141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1456252141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263147 + ... + 268623.

It is an arithmetic number, because the mean of its divisors is an integer number (111989493).

Almost surely, 2^1456252145 is an apocalyptic number.

It is an amenable number.

1456252145 is a deficient number, since it is larger than the sum of its proper divisors (335579743).

1456252145 is a wasteful number, since it uses less digits than its factorization.

1456252145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6820.

The product of its digits is 48000, while the sum is 35.

The square root of 1456252145 is about 38160.8719108985. The cubic root of 1456252145 is about 1133.4756445189.

Adding to 1456252145 its reverse (5412526541), we get a palindrome (6868778686).

The spelling of 1456252145 in words is "one billion, four hundred fifty-six million, two hundred fifty-two thousand, one hundred forty-five".