145857428746 has 16 divisors (see below), whose sum is σ = 221310160200. Its totient is φ = 72087862528.

The previous prime is 145857428711. The next prime is 145857428747. The reversal of 145857428746 is 647824758541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 111214913121 + 34642515625 = 333489^2 + 186125^2 .

It is not an unprimeable number, because it can be changed into a prime (145857428747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487470 + ... + 727558.

Almost surely, 2^145857428746 is an apocalyptic number.

145857428746 is a deficient number, since it is larger than the sum of its proper divisors (75452731454).

145857428746 is a wasteful number, since it uses less digits than its factorization.

145857428746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243593.

The product of its digits is 60211200, while the sum is 61.

The spelling of 145857428746 in words is "one hundred forty-five billion, eight hundred fifty-seven million, four hundred twenty-eight thousand, seven hundred forty-six".