1142629152 has 48 divisors (see below), whose sum is σ = 3427889472. Its totient is φ = 326465280.

The previous prime is 1142629151. The next prime is 1142629171. The reversal of 1142629152 is 2519262411.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1142629151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849499 + ... + 850842.

It is an arithmetic number, because the mean of its divisors is an integer number (71414364).

Almost surely, 2^1142629152 is an apocalyptic number.

1142629152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142629152 is an abundant number, since it is smaller than the sum of its proper divisors (2285260320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142629152 is a wasteful number, since it uses less digits than its factorization.

1142629152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700361 (or 1700353 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 1142629152 is about 33802.7979906989. The cubic root of 1142629152 is about 1045.4463885053.

The spelling of 1142629152 in words is "one billion, one hundred forty-two million, six hundred twenty-nine thousand, one hundred fifty-two".