1148437942 has 4 divisors (see below), whose sum is σ = 1722656916. Its totient is φ = 574218970.

The previous prime is 1148437879. The next prime is 1148437943. The reversal of 1148437942 is 2497348411.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148437943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287109484 + ... + 287109487.

It is an arithmetic number, because the mean of its divisors is an integer number (430664229).

Almost surely, 2^1148437942 is an apocalyptic number.

1148437942 is a deficient number, since it is larger than the sum of its proper divisors (574218974).

1148437942 is an equidigital number, since it uses as much as digits as its factorization.

1148437942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574218973.

The product of its digits is 193536, while the sum is 43.

The square root of 1148437942 is about 33888.6108006805. The cubic root of 1148437942 is about 1047.2149753774.

The spelling of 1148437942 in words is "one billion, one hundred forty-eight million, four hundred thirty-seven thousand, nine hundred forty-two".