1442606445 has 48 divisors (see below), whose sum is σ = 3008154240. Its totient is φ = 624765312.

The previous prime is 1442606419. The next prime is 1442606447. The reversal of 1442606445 is 5446062441.

1442606445 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 6 + 0 + 644 + 5 = 666.

It is not a de Polignac number, because 1442606445 - 2⁹ = 1442605933 is a prime.

It is a super-2 number, since 2×1442606445² = 4162226710311076050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442606447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114534 + ... + 126503.

It is an arithmetic number, because the mean of its divisors is an integer number (62669880).

Almost surely, 2^1442606445 is an apocalyptic number.

1442606445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442606445 is an abundant number, since it is smaller than the sum of its proper divisors (1565547795).

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

1442606445 is a wasteful number, since it uses less digits than its factorization.

1442606445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241074 (or 241071 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 1442606445 is about 37981.6593239421. The cubic root of 1442606445 is about 1129.9241458467.

Adding to 1442606445 its reverse (5446062441), we get a palindrome (6888668886).

The spelling of 1442606445 in words is "one billion, four hundred forty-two million, six hundred six thousand, four hundred forty-five".