1142463455 has 16 divisors (see below), whose sum is σ = 1575872064. Its totient is φ = 778871040.

The previous prime is 1142463437. The next prime is 1142463523. The reversal of 1142463455 is 5543642411.

It is not a de Polignac number, because 1142463455 - 2⁶ = 1142463391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88286 + ... + 100395.

It is an arithmetic number, because the mean of its divisors is an integer number (98492004).

Almost surely, 2^1142463455 is an apocalyptic number.

1142463455 is a deficient number, since it is larger than the sum of its proper divisors (433408609).

1142463455 is a wasteful number, since it uses less digits than its factorization.

1142463455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188866.

The product of its digits is 57600, while the sum is 35.

The square root of 1142463455 is about 33800.3469656748. The cubic root of 1142463455 is about 1045.3958513431.

The spelling of 1142463455 in words is "one billion, one hundred forty-two million, four hundred sixty-three thousand, four hundred fifty-five".