1345642 has 8 divisors (see below), whose sum is σ = 2065536. Its totient is φ = 657132.

The previous prime is 1345633. The next prime is 1345649. The reversal of 1345642 is 2465431.

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

It is not an unprimeable number, because it can be changed into a prime (1345649) 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, 7738 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (258192).

2^1345642 is an apocalyptic number.

1345642 is a deficient number, since it is larger than the sum of its proper divisors (719894).

1345642 is a wasteful number, since it uses less digits than its factorization.

1345642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15692.

The product of its digits is 2880, while the sum is 25.

The square root of 1345642 is about 1160.0181033070. The cubic root of 1345642 is about 110.4018907644.

It can be divided in two parts, 134 and 5642, that added together give a square (5776 = 76²).

The spelling of 1345642 in words is "one million, three hundred forty-five thousand, six hundred forty-two".