1345837542 has 32 divisors (see below), whose sum is σ = 3100434432. Its totient is φ = 381495744.

The previous prime is 1345837541. The next prime is 1345837553. The reversal of 1345837542 is 2457385431.

It is a super-2 number, since 2×1345837542² = 3622557378913203528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1345837494 and 1345837503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345837541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120823 + ... + 131490.

It is an arithmetic number, because the mean of its divisors is an integer number (96888576).

Almost surely, 2^1345837542 is an apocalyptic number.

1345837542 is an abundant number, since it is smaller than the sum of its proper divisors (1754596890).

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

1345837542 is a wasteful number, since it uses less digits than its factorization.

1345837542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252452.

The product of its digits is 403200, while the sum is 42.

The square root of 1345837542 is about 36685.6585330017. The cubic root of 1345837542 is about 1104.0723818984.

The spelling of 1345837542 in words is "one billion, three hundred forty-five million, eight hundred thirty-seven thousand, five hundred forty-two".