145540416456340 has 48 divisors (see below), whose sum is σ = 326817489703824. Its totient is φ = 54249194240000.

The previous prime is 145540416456277. The next prime is 145540416456373. The reversal of 145540416456340 is 43654614045541.

It can be written as a sum of positive squares in 8 ways, for example, as 5914147337604 + 139626269118736 = 2431902^2 + 11816356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2119074811 + ... + 2119143490.

It is an arithmetic number, because the mean of its divisors is an integer number (6808697702163).

Almost surely, 2^{145540416456340} is an apocalyptic number.

145540416456340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145540416456340 is an abundant number, since it is smaller than the sum of its proper divisors (181277073247484).

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

145540416456340 is a wasteful number, since it uses less digits than its factorization.

145540416456340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238218428 (or 4238218426 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 52.

The spelling of 145540416456340 in words is "one hundred forty-five trillion, five hundred forty billion, four hundred sixteen million, four hundred fifty-six thousand, three hundred forty".