1142352155 has 64 divisors (see below), whose sum is σ = 1690951680. Its totient is φ = 723976704.

The previous prime is 1142352119. The next prime is 1142352161. The reversal of 1142352155 is 5512532411.

It is not a de Polignac number, because 1142352155 - 2¹⁰ = 1142351131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4123877 + ... + 4124153.

It is an arithmetic number, because the mean of its divisors is an integer number (26421120).

Almost surely, 2^1142352155 is an apocalyptic number.

1142352155 is a deficient number, since it is larger than the sum of its proper divisors (548599525).

1142352155 is a wasteful number, since it uses less digits than its factorization.

1142352155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its digits is 6000, while the sum is 29.

The square root of 1142352155 is about 33798.7004927704. The cubic root of 1142352155 is about 1045.3619023836.

Adding to 1142352155 its reverse (5512532411), we get a palindrome (6654884566).

The spelling of 1142352155 in words is "one billion, one hundred forty-two million, three hundred fifty-two thousand, one hundred fifty-five".