1452245145 has 64 divisors (see below), whose sum is σ = 2789095680. Its totient is φ = 637452288.

The previous prime is 1452245143. The next prime is 1452245161. The reversal of 1452245145 is 5415422541.

It is a happy number.

It is not a de Polignac number, because 1452245145 - 2¹ = 1452245143 is a prime.

It is a super-2 number, since 2×1452245145² = 4218031922352142050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1452245143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51457 + ... + 74513.

It is an arithmetic number, because the mean of its divisors is an integer number (43579620).

Almost surely, 2^1452245145 is an apocalyptic number.

1452245145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1452245145 is a deficient number, since it is larger than the sum of its proper divisors (1336850535).

1452245145 is a wasteful number, since it uses less digits than its factorization.

1452245145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23114.

The product of its digits is 32000, while the sum is 33.

The square root of 1452245145 is about 38108.3343246592. The cubic root of 1452245145 is about 1132.4350717373.

Adding to 1452245145 its reverse (5415422541), we get a palindrome (6867667686).

The spelling of 1452245145 in words is "one billion, four hundred fifty-two million, two hundred forty-five thousand, one hundred forty-five".