145341320650 has 24 divisors (see below), whose sum is σ = 286236908460. Its totient is φ = 54716732160.

The previous prime is 145341320627. The next prime is 145341320651. The reversal of 145341320650 is 56023143541.

It can be written as a sum of positive squares in 6 ways, for example, as 109270574721 + 36070745929 = 330561^2 + 189923^2 .

It is a super-2 number, since 2×145341320650² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (145341320651) 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 11 ways as a sum of consecutive naturals, for example, 85494045 + ... + 85495744.

Almost surely, 2^145341320650 is an apocalyptic number.

145341320650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145341320650 is a deficient number, since it is larger than the sum of its proper divisors (140895587810).

145341320650 is a wasteful number, since it uses less digits than its factorization.

145341320650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170989818 (or 170989813 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 145341320650 in words is "one hundred forty-five billion, three hundred forty-one million, three hundred twenty thousand, six hundred fifty".