1142851545 has 32 divisors (see below), whose sum is σ = 2216442240. Its totient is φ = 554109120.

The previous prime is 1142851529. The next prime is 1142851547. The reversal of 1142851545 is 5451582411.

1142851545 is a `hidden beast` number, since 114 + 28 + 515 + 4 + 5 = 666.

It is not a de Polignac number, because 1142851545 - 2⁴ = 1142851529 is a prime.

It is a super-2 number, since 2×1142851545² = 2612219307817774050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142851547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383314 + ... + 386283.

It is an arithmetic number, because the mean of its divisors is an integer number (69263820).

Almost surely, 2^1142851545 is an apocalyptic number.

1142851545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142851545 is a deficient number, since it is larger than the sum of its proper divisors (1073590695).

1142851545 is a wasteful number, since it uses less digits than its factorization.

1142851545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769622 (or 769616 counting only the distinct ones).

The product of its digits is 32000, while the sum is 36.

The square root of 1142851545 is about 33806.0873956156. The cubic root of 1142851545 is about 1045.5142101241.

The spelling of 1142851545 in words is "one billion, one hundred forty-two million, eight hundred fifty-one thousand, five hundred forty-five".