145411661536 has 48 divisors (see below), whose sum is σ = 303342399360. Its totient is φ = 68423011200.

The previous prime is 145411661503. The next prime is 145411661543. The reversal of 145411661536 is 635166114541.

It is a happy number.

It is a super-2 number, since 2×145411661536² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145411661492 and 145411661501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700126 + ... + 883741.

It is an arithmetic number, because the mean of its divisors is an integer number (6319633320).

Almost surely, 2^145411661536 is an apocalyptic number.

145411661536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145411661536 is an abundant number, since it is smaller than the sum of its proper divisors (157930737824).

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

145411661536 is a wasteful number, since it uses less digits than its factorization.

145411661536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584047 (or 1584039 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The spelling of 145411661536 in words is "one hundred forty-five billion, four hundred eleven million, six hundred sixty-one thousand, five hundred thirty-six".