145351340540 has 24 divisors (see below), whose sum is σ = 348843217632. Its totient is φ = 49834745280.

The previous prime is 145351340513. The next prime is 145351340557. The reversal of 145351340540 is 45043153541.

It is a super-2 number, since 2×145351340540² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 145351340540.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 519111791 + ... + 519112070.

It is an arithmetic number, because the mean of its divisors is an integer number (14535134068).

Almost surely, 2^145351340540 is an apocalyptic number.

145351340540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145351340540 is an abundant number, since it is smaller than the sum of its proper divisors (203491877092).

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

145351340540 is a wasteful number, since it uses less digits than its factorization.

145351340540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038223877 (or 1038223875 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 145351340540 in words is "one hundred forty-five billion, three hundred fifty-one million, three hundred forty thousand, five hundred forty".