145063641540 has 24 divisors (see below), whose sum is σ = 406178196480. Its totient is φ = 38683637728.

The previous prime is 145063641539. The next prime is 145063641553. The reversal of 145063641540 is 45146360541.

It is a super-2 number, since 2×145063641540² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208863620 + ... + 1208863739.

It is an arithmetic number, because the mean of its divisors is an integer number (16924091520).

Almost surely, 2^145063641540 is an apocalyptic number.

145063641540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145063641540 is an abundant number, since it is smaller than the sum of its proper divisors (261114554940).

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

145063641540 is a wasteful number, since it uses less digits than its factorization.

145063641540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417727371 (or 2417727369 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 145063641540 in words is "one hundred forty-five billion, sixty-three million, six hundred forty-one thousand, five hundred forty".