145040111552 has 28 divisors (see below), whose sum is σ = 328930254000. Its totient is φ = 62160047616.

The previous prime is 145040111551. The next prime is 145040111563. The reversal of 145040111552 is 255111040541.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145040111551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161874677 + ... + 161875572.

Almost surely, 2^145040111552 is an apocalyptic number.

It is an amenable number.

145040111552 is an abundant number, since it is smaller than the sum of its proper divisors (183890142448).

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

145040111552 is an equidigital number, since it uses as much as digits as its factorization.

145040111552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323750268 (or 323750258 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

The spelling of 145040111552 in words is "one hundred forty-five billion, forty million, one hundred eleven thousand, five hundred fifty-two".