455748742 has 4 divisors (see below), whose sum is σ = 683623116. Its totient is φ = 227874370.

The previous prime is 455748719. The next prime is 455748757. The reversal of 455748742 is 247847554.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 455748692 and 455748701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113937184 + ... + 113937187.

It is an arithmetic number, because the mean of its divisors is an integer number (170905779).

Almost surely, 2^455748742 is an apocalyptic number.

455748742 is a deficient number, since it is larger than the sum of its proper divisors (227874374).

455748742 is a wasteful number, since it uses less digits than its factorization.

455748742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227874373.

The product of its digits is 1254400, while the sum is 46.

The square root of 455748742 is about 21348.2725764873. The cubic root of 455748742 is about 769.5588308822.

It can be divided in two parts, 455748 and 742, that added together give a triangular number (456490 = T₉₅₅).

The spelling of 455748742 in words is "four hundred fifty-five million, seven hundred forty-eight thousand, seven hundred forty-two".