742235445156 has 48 divisors (see below), whose sum is σ = 1788738674688. Its totient is φ = 239298362400.

The previous prime is 742235445073. The next prime is 742235445157. The reversal of 742235445156 is 651544532247.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (742235445157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122821 + ... + 1224563.

It is an arithmetic number, because the mean of its divisors is an integer number (37265389056).

Almost surely, 2^742235445156 is an apocalyptic number.

It is an amenable number.

742235445156 is an abundant number, since it is smaller than the sum of its proper divisors (1046503229532).

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

742235445156 is a wasteful number, since it uses less digits than its factorization.

742235445156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103592 (or 1103590 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 48.

The spelling of 742235445156 in words is "seven hundred forty-two billion, two hundred thirty-five million, four hundred forty-five thousand, one hundred fifty-six".