745464521345050 has 48 divisors (see below), whose sum is σ = 1493371091804760. Its totient is φ = 275221100010240.

The previous prime is 745464521345003. The next prime is 745464521345053. The reversal of 745464521345050 is 50543125464547.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 9541074632769 + 735923446712281 = 3088863^2 + 27127909^2 .

It is a super-2 number, since 2×745464521345050² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745464521344982 and 745464521345000.

It is not an unprimeable number, because it can be changed into a prime (745464521345053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50405617 + ... + 63495316.

Almost surely, 2^{745464521345050} is an apocalyptic number.

745464521345050 is an abundant number, since it is smaller than the sum of its proper divisors (747906570459710).

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

745464521345050 is a wasteful number, since it uses less digits than its factorization.

745464521345050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113911027 (or 113911022 counting only the distinct ones).

The product of its (nonzero) digits is 40320000, while the sum is 55.

The spelling of 745464521345050 in words is "seven hundred forty-five trillion, four hundred sixty-four billion, five hundred twenty-one million, three hundred forty-five thousand, fifty".