145550620602 has 40 divisors (see below), whose sum is σ = 326163014100. Its totient is φ = 48513629376.

The previous prime is 145550620561. The next prime is 145550620603. The reversal of 145550620602 is 206026055541.

145550620602 is a `hidden beast` number, since 1 + 45 + 5 + 5 + 0 + 6 + 2 + 0 + 602 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 100356537681 + 45194082921 = 316791^2 + 212589^2 .

It is not an unprimeable number, because it can be changed into a prime (145550620603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4531174 + ... + 4563182.

Almost surely, 2^145550620602 is an apocalyptic number.

145550620602 is an abundant number, since it is smaller than the sum of its proper divisors (180612393498).

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

145550620602 is a wasteful number, since it uses less digits than its factorization.

145550620602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60092 (or 60083 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 145550620602 in words is "one hundred forty-five billion, five hundred fifty million, six hundred twenty thousand, six hundred two".