1142390592 has 168 divisors, whose sum is σ = 3758891136. Its totient is φ = 324946944.

The previous prime is 1142390573. The next prime is 1142390617. The reversal of 1142390592 is 2950932411.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×1142390592² = 2610112529380220928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1180893 + ... + 1181859.

It is an arithmetic number, because the mean of its divisors is an integer number (22374352).

Almost surely, 2^1142390592 is an apocalyptic number.

1142390592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142390592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879445568).

1142390592 is an abundant number, since it is smaller than the sum of its proper divisors (2616500544).

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

1142390592 is a wasteful number, since it uses less digits than its factorization.

1142390592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1142390592 is about 33799.2691045235. The cubic root of 1142390592 is about 1045.3736267672.

The spelling of 1142390592 in words is "one billion, one hundred forty-two million, three hundred ninety thousand, five hundred ninety-two".