1455023442 has 32 divisors (see below), whose sum is σ = 2962656000. Its totient is φ = 476313728.

The previous prime is 1455023441. The next prime is 1455023459. The reversal of 1455023442 is 2443205541.

It is not an unprimeable number, because it can be changed into a prime (1455023441) 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, 70423 + ... + 88709.

It is an arithmetic number, because the mean of its divisors is an integer number (92583000).

Almost surely, 2^1455023442 is an apocalyptic number.

1455023442 is an abundant number, since it is smaller than the sum of its proper divisors (1507632558).

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

1455023442 is a wasteful number, since it uses less digits than its factorization.

1455023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18530.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1455023442 is about 38144.7695234878. The cubic root of 1455023442 is about 1133.1567673225.

Adding to 1455023442 its reverse (2443205541), we get a palindrome (3898228983).

The spelling of 1455023442 in words is "one billion, four hundred fifty-five million, twenty-three thousand, four hundred forty-two".