1345542942 has 8 divisors (see below), whose sum is σ = 2691085896. Its totient is φ = 448514312.

The previous prime is 1345542923. The next prime is 1345542943. The reversal of 1345542942 is 2492455431.

It is a sphenic number, since it is the product of 3 distinct primes.

1345542942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345542942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345542943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112128573 + ... + 112128584.

It is an arithmetic number, because the mean of its divisors is an integer number (336385737).

Almost surely, 2^1345542942 is an apocalyptic number.

1345542942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1345542942 is a wasteful number, since it uses less digits than its factorization.

1345542942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224257162.

The product of its digits is 172800, while the sum is 39.

The square root of 1345542942 is about 36681.6431202311. The cubic root of 1345542942 is about 1103.9918165876.

The spelling of 1345542942 in words is "one billion, three hundred forty-five million, five hundred forty-two thousand, nine hundred forty-two".