145552340051040 has 192 divisors, whose sum is σ = 509686011297792. Its totient is φ = 34672517683200.

The previous prime is 145552340051039. The next prime is 145552340051057. The reversal of 145552340051040 is 40150043255541.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 145552340051040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376027456 + ... + 376414335.

It is an arithmetic number, because the mean of its divisors is an integer number (2654614642176).

Almost surely, 2^{145552340051040} is an apocalyptic number.

145552340051040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145552340051040 is an abundant number, since it is smaller than the sum of its proper divisors (364133671246752).

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

145552340051040 is a wasteful number, since it uses less digits than its factorization.

145552340051040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752441853 (or 752441845 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 145552340051040 in words is "one hundred forty-five trillion, five hundred fifty-two billion, three hundred forty million, fifty-one thousand, forty".