1452143961 has 12 divisors (see below), whose sum is σ = 2220926292. Its totient is φ = 911149056.

The previous prime is 1452143947. The next prime is 1452143977. The reversal of 1452143961 is 1693412541.

It is a happy number.

1452143961 is a `hidden beast` number, since 1 + 4 + 521 + 43 + 96 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1281998025 + 170145936 = 35805^2 + 13044^2 .

It is not a de Polignac number, because 1452143961 - 2⁵ = 1452143929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1452193961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4745416 + ... + 4745721.

It is an arithmetic number, because the mean of its divisors is an integer number (185077191).

Almost surely, 2^1452143961 is an apocalyptic number.

It is an amenable number.

1452143961 is a deficient number, since it is larger than the sum of its proper divisors (768782331).

1452143961 is a wasteful number, since it uses less digits than its factorization.

1452143961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491160 (or 9491157 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1452143961 is about 38107.0067179252. The cubic root of 1452143961 is about 1132.4087706287.

The spelling of 1452143961 in words is "one billion, four hundred fifty-two million, one hundred forty-three thousand, nine hundred sixty-one".