152143045 has 24 divisors (see below), whose sum is σ = 193147416. Its totient is φ = 115027968.

The previous prime is 152143037. The next prime is 152143049. The reversal of 152143045 is 540341251.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18301284 + 133841761 = 4278^2 + 11569^2 .

It is not a de Polignac number, because 152143045 - 2³ = 152143037 is a prime.

It is a super-2 number, since 2×152143045² = 46295012283744050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152143049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256269 + ... + 256861.

It is an arithmetic number, because the mean of its divisors is an integer number (8047809).

Almost surely, 2^152143045 is an apocalyptic number.

It is an amenable number.

152143045 is a deficient number, since it is larger than the sum of its proper divisors (41004371).

152143045 is an equidigital number, since it uses as much as digits as its factorization.

152143045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 152143045 is about 12334.6278825103. The cubic root of 152143045 is about 533.8476901999.

Adding to 152143045 its reverse (540341251), we get a palindrome (692484296).

The spelling of 152143045 in words is "one hundred fifty-two million, one hundred forty-three thousand, forty-five".