145688948140 has 12 divisors (see below), whose sum is σ = 305946791136. Its totient is φ = 58275579248.

The previous prime is 145688948129. The next prime is 145688948147. The reversal of 145688948140 is 41849886541.

It is a super-2 number, since 2×145688948140² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145688948147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3642223684 + ... + 3642223723.

It is an arithmetic number, because the mean of its divisors is an integer number (25495565928).

Almost surely, 2^145688948140 is an apocalyptic number.

145688948140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145688948140 is an abundant number, since it is smaller than the sum of its proper divisors (160257842996).

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

145688948140 is a wasteful number, since it uses less digits than its factorization.

145688948140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284447416 (or 7284447414 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 58.

The spelling of 145688948140 in words is "one hundred forty-five billion, six hundred eighty-eight million, nine hundred forty-eight thousand, one hundred forty".