145080909940 has 24 divisors (see below), whose sum is σ = 305216917992. Its totient is φ = 57928172160.

The previous prime is 145080909917. The next prime is 145080909947. The reversal of 145080909940 is 49909080541.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17971547364 + 127109362576 = 134058^2 + 356524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145080909947) 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, 6500571 + ... + 6522850.

It is an arithmetic number, because the mean of its divisors is an integer number (12717371583).

Almost surely, 2^145080909940 is an apocalyptic number.

145080909940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145080909940 is an abundant number, since it is smaller than the sum of its proper divisors (160136008052).

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

145080909940 is a wasteful number, since it uses less digits than its factorization.

145080909940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13023987 (or 13023985 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 145080909940 in words is "one hundred forty-five billion, eighty million, nine hundred nine thousand, nine hundred forty".