1142357705 has 32 divisors (see below), whose sum is σ = 1464393600. Its totient is φ = 854042112.

The previous prime is 1142357693. The next prime is 1142357731. The reversal of 1142357705 is 5077532411.

It is not a de Polignac number, because 1142357705 - 2⁶ = 1142357641 is a prime.

It is a super-2 number, since 2×1142357705² = 2609962252345734050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572189 + ... + 574181.

It is an arithmetic number, because the mean of its divisors is an integer number (45762300).

Almost surely, 2^1142357705 is an apocalyptic number.

It is an amenable number.

1142357705 is a deficient number, since it is larger than the sum of its proper divisors (322035895).

1142357705 is a wasteful number, since it uses less digits than its factorization.

1142357705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 1142357705 is about 33798.7825964191. The cubic root of 1142357705 is about 1045.3635953084.

The spelling of 1142357705 in words is "one billion, one hundred forty-two million, three hundred fifty-seven thousand, seven hundred five".