1545422 has 16 divisors (see below), whose sum is σ = 2480640. Its totient is φ = 719928.

The previous prime is 1545421. The next prime is 1545431. The reversal of 1545422 is 2245451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2243 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (155040).

2^1545422 is an apocalyptic number.

1545422 is a deficient number, since it is larger than the sum of its proper divisors (935218).

1545422 is a wasteful number, since it uses less digits than its factorization.

1545422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its digits is 1600, while the sum is 23.

The square root of 1545422 is about 1243.1500311708. The cubic root of 1545422 is about 115.6154028557.

The spelling of 1545422 in words is "one million, five hundred forty-five thousand, four hundred twenty-two".